You searched for subject:(spatial attention).
Showing records 1 – 30 of
136 total matches.
◁ [1] [2] [3] [4] [5] ▶
1.
Monosov, Ilya E.
Primate frontal eye fields mediate spatial attention in
covert visual search.
Degree: PhD, Neuroscience, 2009, Brown University
URL: https://repository.library.brown.edu/studio/item/bdr:180/ 
► Visual spatial attention serves to select locations of interest in the visual field and enhances the cortical representation of objects at those locations. Previous studies…
(more)
▼ Visual
spatial attention serves to select locations of
interest in the visual field and enhances the cortical
representation of objects at those locations. Previous studies
suggest that neural activity in primate frontal eye fields (FEF) is
involved in the
spatial selection of salient stimuli in complex
visual environments for eye movements and
spatial attention. Here,
we explore the origin of the
spatial selection signal in FEF and
its relationship to measures of covert
spatial attention. We
compare the timing of
spatial selection for the location of the
target in two simultaneously recorded cortical signals: local field
potentials (LFPs) and spikes. LFPs are thought to represent
synaptic input, while spiking activity is the output, of the area
around the electrode tip. We found that
spatial selectivity
identifying the location of the target in the visual search
appeared in the spikes about 30 ms before it appeared in the LFPs.
This suggests that the
spatial selection signal is computed locally
in FEF from spatially non selective inputs. Additionally, we show
that the magnitude of
spatial selection in FEF is related to
behavioral measures of
attention during the time period in which
the stimulus is being processed by the visual system. This
relationship shows that FEF is directly involved in
spatial
attention.
Advisors/Committee Members: Thompson, Kirkg (director), Sheinberg, David (director), Wurtz, Robert (reader), Schall, Jeffrey (reader).
Subjects/Keywords: spatial attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Monosov, I. E. (2009). Primate frontal eye fields mediate spatial attention in
covert visual search. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:180/
Chicago Manual of Style (16th Edition):
Monosov, Ilya E. “Primate frontal eye fields mediate spatial attention in
covert visual search.” 2009. Doctoral Dissertation, Brown University. Accessed April 04, 2020.
https://repository.library.brown.edu/studio/item/bdr:180/.
MLA Handbook (7th Edition):
Monosov, Ilya E. “Primate frontal eye fields mediate spatial attention in
covert visual search.” 2009. Web. 04 Apr 2020.
Vancouver:
Monosov IE. Primate frontal eye fields mediate spatial attention in
covert visual search. [Internet] [Doctoral dissertation]. Brown University; 2009. [cited 2020 Apr 04].
Available from: https://repository.library.brown.edu/studio/item/bdr:180/.
Council of Science Editors:
Monosov IE. Primate frontal eye fields mediate spatial attention in
covert visual search. [Doctoral Dissertation]. Brown University; 2009. Available from: https://repository.library.brown.edu/studio/item/bdr:180/
University of Edinburgh
2.
Johnstone, Nicola.
Investigating the control mechanisms of spatial attention.
Degree: 2012, University of Edinburgh
URL: http://hdl.handle.net/1842/8482
► Prior research has uncovered a close coupling of spatial attention to sensori-motor processes both anatomically and in function. The outstanding question investigated in this research…
(more)
▼ Prior research has uncovered a close coupling of
spatial attention to sensori-motor processes both anatomically and in function. The outstanding question investigated in this research was whether the evident coupling between
spatial attention and sensori-motor processes was dissociable. Neural correlates of
spatial attention and oculomotor preparation were investigated using event-related potentials (ERP) elicited by a symbolic cue in four different experimental conditions: same side, opposite side,
attention, and oculomotor. The crucial test to dissociate the links between
spatial attention and oculomotor preparation processes was the simultaneous cuing of each process to opposite sides of space. As expected, ERP components found in the same side,
attention, and oculomotor conditions were entirely absent in the opposite side condition. Interpreted in the framework of the premotor theory of
attention (Rizzolatti et al., 1994), this investigation supports an argument for mandatory links between
spatial attention and oculomotor preparation.
Advisors/Committee Members: Gherri, Elena.
Subjects/Keywords: ERPs; Spatial attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Johnstone, N. (2012). Investigating the control mechanisms of spatial attention. (Thesis). University of Edinburgh. Retrieved from http://hdl.handle.net/1842/8482
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Johnstone, Nicola. “Investigating the control mechanisms of spatial attention.” 2012. Thesis, University of Edinburgh. Accessed April 04, 2020.
http://hdl.handle.net/1842/8482.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Johnstone, Nicola. “Investigating the control mechanisms of spatial attention.” 2012. Web. 04 Apr 2020.
Vancouver:
Johnstone N. Investigating the control mechanisms of spatial attention. [Internet] [Thesis]. University of Edinburgh; 2012. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1842/8482.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Johnstone N. Investigating the control mechanisms of spatial attention. [Thesis]. University of Edinburgh; 2012. Available from: http://hdl.handle.net/1842/8482
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Waterloo
3.
Jarick, Michelle Ann.
June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia.
Degree: 2011, University of Waterloo
URL: http://hdl.handle.net/10012/5695
► Synaesthesia is a fascinating condition whereby individuals report extraordinary experiences when presented with ordinary stimuli. In this thesis, we examine an individual (L) who experiences…
(more)
▼ Synaesthesia is a fascinating condition whereby individuals report extraordinary experiences when presented with ordinary stimuli. In this thesis, we examine an individual (L) who experiences time units (i.e., months and hours) and numbers as occupying specific spatial locations (e.g., January is 30º to the left). This type of spatial-form synaesthesia has been recently investigated by Smilek et al. (2007), demonstrating that synaesthetic time-space associations are highly consistent, occur regardless of intention, and can direct spatial attention. We extended this work in Chapter 2 by showing that for L, her time-space vantage point changed depending on whether the time units were seen or heard. For example, when L saw the word JANUARY, she reported experiencing January on her left side, however when she heard the word "January" she experienced the month on her right side. In this thesis, we validated L’s subjective reports using a spatial cueing task. The names of months were centrally presented followed by targets on the left or right. L was faster at detecting targets in validly cued locations relative to invalidly cued locations both for visually presented cues (January orients attention to the left) and for aurally presented cues (January orients attention to the right). We replicated these vantage-point dependent cueing effects also using hours of day. In Chapter 3, we further explored whether synaesthetic number forms could bias spatial attention using a spatial cueing and SNARC-type task. Two synaesthetes (L and B) both described experiencing the numbers 1 through 10 running vertically from bottom to top. Both experiments confirmed their synaesthetic number forms, such that when making odd-even judgments for the numbers 1, 2, 8, and 9, they showed SNARC-compatibility effects for up-down movements (aligned with their number form), but not left-right (misaligned) movements. Likewise in the spatial cueing task, both synaesthetes showed significantly faster response times to detect targets on the bottom of the display if preceded by a low number (1,2) and the top of the display if preceded by a high number (8,9), whereas they showed no cueing effects when targets appeared on the left or right (misaligned with their number forms). Both synaesthetes were, however, reliably faster to detect left targets following the presentation of numbers 10, and 11, and right targets following numbers 19 and 20 (running from left to right). Hence, we demonstrated that cueing and SNARC tasks could be used to empirically verify synaesthetic number forms. Moreover, we showed that numbers could direct spatial attention to idiosyncratic locations similar to time-units, replicating and extending our findings from Chapter 2. Lastly, Chapter 4 was aimed to explore the automaticity and involuntary nature of L’s number-forms. We continued to use the spatial cueing task and sought to eliminate any influence of strategy on L’s performance by: (1) shortening the interval between the cue and target onset to only 150 ms and (2)…
Subjects/Keywords: Synaesthesia; Spatial Attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Jarick, M. A. (2011). June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/5695
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Jarick, Michelle Ann. “June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia.” 2011. Thesis, University of Waterloo. Accessed April 04, 2020.
http://hdl.handle.net/10012/5695.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Jarick, Michelle Ann. “June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia.” 2011. Web. 04 Apr 2020.
Vancouver:
Jarick MA. June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia. [Internet] [Thesis]. University of Waterloo; 2011. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10012/5695.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Jarick MA. June Must be Right and 9 is on Top: An Investigation of Time-space and Number-form Synaesthesia. [Thesis]. University of Waterloo; 2011. Available from: http://hdl.handle.net/10012/5695
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Saskatchewan
4.
Szelest, Izabela.
Lateral Biases in Attention and Working Memory Systems.
Degree: 2014, University of Saskatchewan
URL: http://hdl.handle.net/10388/ETD-2014-04-1594
► Neurologically healthy individuals misbisect their visual space by erring towards the left. This misreprentation has been attributed to the right hemisphere dominance in processing of…
(more)
▼ Neurologically healthy individuals misbisect their visual space by erring towards the left. This misreprentation has been attributed to the right hemisphere dominance in processing of
spatial information. Lateral biases are thought to emerge as behavioural outcomes of cognitive processing, mainly
attention. Recently,
attention mechanisms have been reported to be closely inter-related to memory systems, where
attention directs what will be remembered and memory impacts where
attention is directed. Although
spatial biases attributed to
attention have been widely accepted, the claim that memory exhibits similar biases has been more controversial. Recent research shows that recall of representations is biased towards the left side of space, indicating that lateral asymmetries may not necessarily be limited to perceptual and attentional mechanisms, but may extend to memory mechanisms as well.
The purpose of this work is to understand better the relationship between lateral biases within working memory and
attention interactions. Two approaches were considered. First, working memory, as defined by the representations and operations related to manipulate the representations, used time delay and visual load. Second, backward masking was used to control the relative formation of the working memory trace, which strengthens with recurrence of the visual stimuli and is through to progress from
attention to working memory. To explore these two theoretical avenues, a novel task was constructed. Two circular arrays were presented at the top and bottom of the computer screen. These arrays were composed of six individual discs of varying shade. Hence, the overall array represented a greyscale gradient, where discs on one lateral side were darker compared to the middle discs and the other lateral side. For example, if two darkest discs were presented on the left side, the lightest discs were presented on the right side. Such array was presented with its left/right mirror reversed image. In this example, the second array was with the lightest discs on the left side and growing progressively darker, with darkest discs on the right side. Such presentation requires the participants to integrate the array of individual discs into an overall representation to perform a brightness judgement and select the array seemingly darker.
A total of six behavioural studies addressed the two theoretical approaches. The first approach, to determine the impact of inter-stimulus time interval and visual load on lateral asymmetries, was addressed in four experiments. The findings indicated that participants were able to integrate the discrete disks into an overall array. Participants exhibited an overall leftward bias similar to that obtained in
attention tasks, where they selected an array to be overall darker when the darkest disks were presented on the left side of the array. Furthermore, these biases increased the most when the stimuli were presented in the lower half of the computer screen, consistent with the lower visual field. Conversely, stimuli…
Advisors/Committee Members: Elias, Lorin, Kalynchuk, Lisa, Gray, Jack, Borowsky, Ron.
Subjects/Keywords: spatial orientation; pseudoneglect; attention; memory
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Szelest, I. (2014). Lateral Biases in Attention and Working Memory Systems. (Thesis). University of Saskatchewan. Retrieved from http://hdl.handle.net/10388/ETD-2014-04-1594
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Szelest, Izabela. “Lateral Biases in Attention and Working Memory Systems.” 2014. Thesis, University of Saskatchewan. Accessed April 04, 2020.
http://hdl.handle.net/10388/ETD-2014-04-1594.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Szelest, Izabela. “Lateral Biases in Attention and Working Memory Systems.” 2014. Web. 04 Apr 2020.
Vancouver:
Szelest I. Lateral Biases in Attention and Working Memory Systems. [Internet] [Thesis]. University of Saskatchewan; 2014. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10388/ETD-2014-04-1594.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Szelest I. Lateral Biases in Attention and Working Memory Systems. [Thesis]. University of Saskatchewan; 2014. Available from: http://hdl.handle.net/10388/ETD-2014-04-1594
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Oregon State University
5.
Shaw, Kathleen Elizabeth.
An electrophysiological study of emotional perception in a dual-task paradigm.
Degree: MA, 2011, Oregon State University
URL: http://hdl.handle.net/1957/21641
► The present study examined whether emotion perception requires central attentional resources. A dual-task paradigm was used to examine whether people can direct their attention to…
(more)
▼ The present study examined whether emotion perception requires central attentional resources. A dual-task paradigm was used to examine whether people can direct their
attention to a face expressing a target emotion, even while they are still selecting a response to another task. Task-1 required an auditory discrimination while for Task-2, one happy face and one angry face were presented adjacent to each other. Participants were asked to find the face with a pre-specified emotion and indicate its gender (Experiment 1), location (Experiment 2), or identify whether the faces were the same gender or different gender without emotional goal settings (Experiment 3). The stimulus onset asynchrony (SOA) between the two tasks was varied. To determine where people were attending, an electrophysiological measure of
attention known as the N2pc component of the event-related brain potential was used. The face expressing the target emotion elicited an N2pc effect, indicating
attention capture, even when participants were already pre-occupied with processing Task-1 (i.e., short SOAs). Thus, it appears that emotion perception can occur even when central attentional resources are unavailable. In addition, angry faces elicited a much larger N2pc effect than happy faces, indicating an attentional bias toward negative emotions.
Advisors/Committee Members: Lien, Mei-Ching (advisor), Bernieri, Frank (committee member).
Subjects/Keywords: Spatial attention; Emotions and cognition
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Shaw, K. E. (2011). An electrophysiological study of emotional perception in a dual-task paradigm. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/21641
Chicago Manual of Style (16th Edition):
Shaw, Kathleen Elizabeth. “An electrophysiological study of emotional perception in a dual-task paradigm.” 2011. Masters Thesis, Oregon State University. Accessed April 04, 2020.
http://hdl.handle.net/1957/21641.
MLA Handbook (7th Edition):
Shaw, Kathleen Elizabeth. “An electrophysiological study of emotional perception in a dual-task paradigm.” 2011. Web. 04 Apr 2020.
Vancouver:
Shaw KE. An electrophysiological study of emotional perception in a dual-task paradigm. [Internet] [Masters thesis]. Oregon State University; 2011. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1957/21641.
Council of Science Editors:
Shaw KE. An electrophysiological study of emotional perception in a dual-task paradigm. [Masters Thesis]. Oregon State University; 2011. Available from: http://hdl.handle.net/1957/21641
University of Notre Dame
6.
Pedro Sztybel.
Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>.
Degree: MA, Psychology, 2015, University of Notre Dame
URL: https://curate.nd.edu/show/fj236111049
► Abstract by Pedro Sztybel Spatial symbols can direct attention to a specific location in space only when they are capable of specifying both direction…
(more)
▼ Abstract by Pedro Sztybel
Spatial symbols can direct
attention to a specific
location in space only when they are capable of specifying both
direction and distance. Interestingly, the
spatial symbols used in
most previous
spatial cueing studies only convey information about
direction. In a recent study, we presented observers with symbolic
cues that conveyed information about both the direction and the
distance of an upcoming target within the context of the
spatial
cueing paradigm. Results showed that observers have greater
expertise using direction symbols than distance symbols to guide
attention. However, these findings were limited to voluntary shifts
of
attention. The present study sought further evidence in favor of
direction expertise by examining the extent to which symbolic
information about direction and distance are characterized by
automatic attentional processing. As expected, results showed that
direction symbols produced a larger automatic response than
distance symbols. These results are important because they provide
support for the direction expertise hypothesis and extend current
semantic-based theories of symbolic control.
Advisors/Committee Members: James Brockmole, Committee Member, Bradley S. Gibson, Committee Chair, Sidney DMello, Committee Member.
Subjects/Keywords: Spatial Attention; Symbolic Control of Attention; Spatial Cueing
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Sztybel, P. (2015). Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>. (Masters Thesis). University of Notre Dame. Retrieved from https://curate.nd.edu/show/fj236111049
Chicago Manual of Style (16th Edition):
Sztybel, Pedro. “Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>.” 2015. Masters Thesis, University of Notre Dame. Accessed April 04, 2020.
https://curate.nd.edu/show/fj236111049.
MLA Handbook (7th Edition):
Sztybel, Pedro. “Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>.” 2015. Web. 04 Apr 2020.
Vancouver:
Sztybel P. Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>. [Internet] [Masters thesis]. University of Notre Dame; 2015. [cited 2020 Apr 04].
Available from: https://curate.nd.edu/show/fj236111049.
Council of Science Editors:
Sztybel P. Automatic Shifts of Spatial Attention to Symbolic Cues that
Convey Information About Direction and Distance</h1>. [Masters Thesis]. University of Notre Dame; 2015. Available from: https://curate.nd.edu/show/fj236111049
George Mason University
7.
Barrow, Jane Hesketh.
The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
.
Degree: 2013, George Mason University
URL: http://hdl.handle.net/1920/8753
► This dissertation investigated the influence that differing levels of musically-induced emotional valence might have on biases in visual and auditory spatial attention. At the core…
(more)
▼ This dissertation investigated the influence that differing levels of musically-induced emotional valence might have on biases in visual and auditory
spatial attention. At the core of this dissertation is the phenomenon of pseudoneglect - an asymmetry in visuospatial
attention found in neurologically normal individuals when performing simple line bisections. The resulting bisections are reliably to the left of true center, presumably due to greater activation of areas in the right hemisphere of the brain associated with visuospatial
attention. Auditory versions of the line bisection task have demonstrated a rightward asymmetry, presumably due to greater activation in the left hemisphere of the brain, though the distinction of whether
spatial attention is supra-modal or modality specific is still being debated. Further, there are studies in the literature that suggest an emotional influence to
spatial attention, while others suggest that there is no impact. The main two questions were whether differences in emotional valence can alter inherent asymmetries in visual and auditory
spatial attention, and whether visual and auditory
spatial attention are governed by differing areas of the brain as educed from demonstrable biases. The studies within this dissertation were designed to pit the opposing theories and findings against one another so that the outcome would support one viewpoint or the other, further fueling the academic debate.
Advisors/Committee Members: Baldwin, Carryl L (advisor).
Subjects/Keywords: Cognitive psychology;
Auditory Spatial Attention;
Musically-Induced Emotion;
Pseudoneglect;
Spatial Attention;
Visuospatial Attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Barrow, J. H. (2013). The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
. (Thesis). George Mason University. Retrieved from http://hdl.handle.net/1920/8753
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Barrow, Jane Hesketh. “The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
.” 2013. Thesis, George Mason University. Accessed April 04, 2020.
http://hdl.handle.net/1920/8753.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Barrow, Jane Hesketh. “The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
.” 2013. Web. 04 Apr 2020.
Vancouver:
Barrow JH. The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
. [Internet] [Thesis]. George Mason University; 2013. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1920/8753.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Barrow JH. The Influence of Musically-Induced Emotion on Biases in Visual and Auditory Spatial Attention
. [Thesis]. George Mason University; 2013. Available from: http://hdl.handle.net/1920/8753
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Victoria University of Wellington
8.
Schaverien, Polly M.
The Effect of Valence and Arousal on Spatial Attention.
Degree: 2013, Victoria University of Wellington
URL: http://hdl.handle.net/10063/2800
► Conceptual metaphor theory suggests that to mentally represent abstract concepts we use metaphorical associations to map them onto more concrete constructs (Lakoff & Johnson, 1980;…
(more)
▼ Conceptual metaphor theory suggests that to mentally represent abstract concepts we use metaphorical associations to map them onto more concrete constructs (Lakoff & Johnson, 1980; 1999). Using a choice reaction time (CRT) task, Meier and Robinson (2004) found that positively valenced words primed
attention to higher areas in vertical space, while negatively valenced words primed
attention to lower areas in vertical space, consistent with the good is up/bad is down conceptual metaphor. Meier and Robinson (2004; 2005) suggest this provides evidence that emotional words create an automatic and obligatory metaphor-congruent shift in
spatial attention, driven by a Valence x Position interaction. However, other research shows that the arousal level, not just the valence of emotional words can affect reaction time (Robinson, Storbeck, Meier & Kirkeby, 2004). This means concluding that valence alone is driving the shift in
attention is premature. Furthermore, Brookshire, Irvy and Casasanto (2010) dispute Meier and Robinson’s claim that the relationship between affect and metaphor is automatic, instead suggesting that affect-metaphor associations are optional and only accessed under certain contextual conditions. The purpose of this thesis was therefore two-fold. First, it aimed to explore whether valence, arousal, or an interaction between the two was responsible for driving the metaphor-consistent shift in
spatial attention observed by Meier and Robinson (2004). Second, it aimed to progress the discussion about when affective stimuli, in the form of emotional words, automatically activate the good is up/bad is down conceptual metaphor. Three CRT experiments were conducted in which (a) emotional stimulus words were differentiated by arousal level as well as valence and (b) the evaluation of stimulus words’ affective tone (pleasant/unpleasant) was manipulated. A Valence x Position interaction in relation to the good is up but not bad is down conceptual metaphor was found when the valence of priming words was evaluated, suggesting valence, rather than arousal or a combination of both, is driving the affect-metaphor relationship. No evidence for the automatic activation of affect-metaphor associations was found when the word’s affective tone was not evaluated. These findings suggest that while driven by valence, affect-metaphor associations are not fully automatic and occur only under certain contextual conditions. The implications for our understanding of how emotion impacts
spatial attention are discussed, suggesting metaphors enrich, rather than monopolise our mental representation of abstract, affective concepts.
Advisors/Committee Members: McDowall, John.
Subjects/Keywords: Conceptual metaphor theory; Spatial attention; Valence; Arousal
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Schaverien, P. M. (2013). The Effect of Valence and Arousal on Spatial Attention. (Masters Thesis). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/2800
Chicago Manual of Style (16th Edition):
Schaverien, Polly M. “The Effect of Valence and Arousal on Spatial Attention.” 2013. Masters Thesis, Victoria University of Wellington. Accessed April 04, 2020.
http://hdl.handle.net/10063/2800.
MLA Handbook (7th Edition):
Schaverien, Polly M. “The Effect of Valence and Arousal on Spatial Attention.” 2013. Web. 04 Apr 2020.
Vancouver:
Schaverien PM. The Effect of Valence and Arousal on Spatial Attention. [Internet] [Masters thesis]. Victoria University of Wellington; 2013. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10063/2800.
Council of Science Editors:
Schaverien PM. The Effect of Valence and Arousal on Spatial Attention. [Masters Thesis]. Victoria University of Wellington; 2013. Available from: http://hdl.handle.net/10063/2800
Boston University
9.
Kong, Lingqiang.
Functional MRI investigations of cortical mechanisms of auditory spatial attention.
Degree: PhD, Cognitive & Neural Systems, 2013, Boston University
URL: http://hdl.handle.net/2144/14077
► In everyday settings, spatial attention helps listeners isolate and understand individual sound sources. However, the neural mechanisms of auditory spatial attention (ASpA) are only partially…
(more)
▼ In everyday settings, spatial attention helps listeners isolate and understand individual sound sources. However, the neural mechanisms of auditory spatial attention (ASpA) are only partially understood. This thesis uses within-subject analysis of functional magnetic resonance imaging (fMRI) data to address fundamental questions regarding cortical mechanisms supporting ASpA by applying novel multi-voxel pattern analysis (MVPA) and resting-state functional connectivity (rsFC) approaches. A series of fMRI studies of ASpA were conducted in which subjects performed a one-back task in which they attended to one of two spatially separated streams. Attention modulated blood oxygenation level-dependent (BOLD) activity in multiple areas in the prefrontal, temporal, and parietal cortex, including non-visuotopic intraparietal sulcus (IPS), but not the visuotopic maps in IPS. No spatial bias was detected in any cortical area using standard univariate analysis; however, MVPA revealed that activation patterns in a number of areas, including the auditory cortex, predicted the attended direction. Furthermore, we explored how cognitive task demands and the sensory modality of the inputs influenced activity with a visual one-back task and a visual multiple object tracking (MOT) task. Activity from the visual and auditory one-back tasks overlapped along the fundus of IPS and lateral prefrontal cortex (lPFC). However, there was minimal overlap of activity in the lPFC between the visual MOT task and the two one-back tasks. Finally, we endeavored to identify visual and auditory networks using rsFC. We identified a dorsal visual attention network reliably within individual subjects using visuotopic seeds. Using auditory seeds, we found a prefrontal area nested between segments of the dorsal visual attention network.
These findings mark fundamental progress towards elucidating the cortical network controlling ASpA. Our results suggest that similar lPFC structures support both ASpA and its visual counterpart during a spatial one-back task, but that ASpA does not drive visuotopic IPS in the parietal cortex. Furthermore, rsFC reveals that visual and auditory seed regions are functionally connected with non-overlapping lPFC regions, possibly reflecting spatial and temporal cognitive processing biases, respectively. While we find no evidence for a spatiotopic map, the auditory cortex is sensitive to direction of attention in its patterns of activation.
Subjects/Keywords: Neurosciences; fMRI; Auditory spatial attention; Functional connectivity
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Kong, L. (2013). Functional MRI investigations of cortical mechanisms of auditory spatial attention. (Doctoral Dissertation). Boston University. Retrieved from http://hdl.handle.net/2144/14077
Chicago Manual of Style (16th Edition):
Kong, Lingqiang. “Functional MRI investigations of cortical mechanisms of auditory spatial attention.” 2013. Doctoral Dissertation, Boston University. Accessed April 04, 2020.
http://hdl.handle.net/2144/14077.
MLA Handbook (7th Edition):
Kong, Lingqiang. “Functional MRI investigations of cortical mechanisms of auditory spatial attention.” 2013. Web. 04 Apr 2020.
Vancouver:
Kong L. Functional MRI investigations of cortical mechanisms of auditory spatial attention. [Internet] [Doctoral dissertation]. Boston University; 2013. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/2144/14077.
Council of Science Editors:
Kong L. Functional MRI investigations of cortical mechanisms of auditory spatial attention. [Doctoral Dissertation]. Boston University; 2013. Available from: http://hdl.handle.net/2144/14077
University of Waterloo
10.
White, Darcy.
Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing.
Degree: 2014, University of Waterloo
URL: http://hdl.handle.net/10012/8744
► Three spatial cuing experiments assessed whether the nature of the prior trial affects performance in a two choice target identification task. In Experiment 1 current…
(more)
▼ Three spatial cuing experiments assessed whether the nature of the prior trial affects performance in a two choice target identification task. In Experiment 1 current trial RT was strongly affected by whether prior trial cue validity, prior trial target identity, and prior trial target location were the same as on the current trial when an exogenous spatial cue was 50% valid. Experiment 2 demonstrates that, with an endogenous cue, current trial RT was also affected by whether target identity or target location changed from the prior trial. Finally, in Experiment 3 when the cue was exogenous and cue validity was 75%, current trial RT was only affected by the target’s identity on the prior trial. It is concluded that (a) the effects of prior trial history reflect yet another context in which the effects of exogenous and endogenous spatial cuing differ, and (b) the difference in RT to a target preceded by a valid or invalid cue does not reflect a pure measure of spatial attention. Instead, participants appear to weigh information from all dimensions on the previous trial when identifying the target on the current trial. An analysis of the RT distributions yielded significant differences with respect to where in the distribution each factor affected performance. Overall, these data demonstrate that both prior trial effects and analyses of RT distributions of such effects are a rich source of systematic variance that merits further investigation and theoretical consideration.
Subjects/Keywords: spatial attention; effects of trial history
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
White, D. (2014). Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/8744
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
White, Darcy. “Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing.” 2014. Thesis, University of Waterloo. Accessed April 04, 2020.
http://hdl.handle.net/10012/8744.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
White, Darcy. “Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing.” 2014. Web. 04 Apr 2020.
Vancouver:
White D. Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing. [Internet] [Thesis]. University of Waterloo; 2014. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10012/8744.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
White D. Where Have You Been, What Did You See, and How Did You Get Here: Effects of Prior Trial History in the Context of Exogenous and Endogenous Spatial Cuing. [Thesis]. University of Waterloo; 2014. Available from: http://hdl.handle.net/10012/8744
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Waterloo
11.
Ferguson, Roy.
Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space.
Degree: 2010, University of Waterloo
URL: http://hdl.handle.net/10012/4894
► The present thesis investigated how words are processed within the context of visual search. Both explicit and implicit measures were used to assess whether spatial…
(more)
▼ The present thesis investigated how words are processed within the context of visual search. Both explicit and implicit measures were used to assess whether spatial attention is a prerequisite for words to undergo processing. In the explicit search task, subjects searched a display and indicated whether a word was present or absent among nonword distractors. In the implicit task, priming was employed to index word processing. Subjects viewed the same search displays that were used in the explicit task, however, the displays were presented briefly and were followed by a single target letter string to which subjects performed a lexical decision. In Experiments 3 through 6, in which the target was always presented at fixation, no priming was evident. In Experiments 7 and 8 when the location of the target moved from trial to trial, priming was observed. It is argued that attentional resources are narrowly allocated to a location in visual space when target location is certain but diffusely allocated when target location is uncertain. Furthermore, processing only occurs for words that fall within the suffusion of this strategically pliable attentional beam. The results are also interpreted within the domains of perceptual cuing and attentional capture.
Subjects/Keywords: spatial attention; mental set; word processing
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Ferguson, R. (2010). Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/4894
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ferguson, Roy. “Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space.” 2010. Thesis, University of Waterloo. Accessed April 04, 2020.
http://hdl.handle.net/10012/4894.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ferguson, Roy. “Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space.” 2010. Web. 04 Apr 2020.
Vancouver:
Ferguson R. Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space. [Internet] [Thesis]. University of Waterloo; 2010. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10012/4894.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ferguson R. Using Mental Set to Change the Size of Posner's Attentional Spotlight: Implications for how Words are Processed in Visual Space. [Thesis]. University of Waterloo; 2010. Available from: http://hdl.handle.net/10012/4894
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Macquarie University
12.
Al-Janabi, Shahd.
Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking.
Degree: Cognitive Science, Perception in Action Research Centre, ARC Centre of Excellence in Cogniion and its Disorders, Faculty of Huma, 2014, Macquarie University
URL: http://hdl.handle.net/1959.14/1069477
► Thesis by publication.
Previous research suggests that the exogenous orienting of spatial attention is an involuntary process; that is, it can occur without intent, effort…
(more)
▼ Thesis by publication.
Previous research suggests that the exogenous orienting of spatial attention is an involuntary process; that is, it can occur without intent, effort or awareness. Recent studies, however, have shown that exogenous shifts of attention may, at least to some extent, be reliant on these three factors. On the basis of this finding, the purpose of the present thesis was to tease apart the relative contribution of intentions and conscious awareness, in particular, on the orienting of attention by abrupt onset cues in the periphery and symbolic (i.e., averted eye-gaze and arrow) cues at fixation. To investigate this issue, a visual masking paradigm was used and the task-relevance of cues was manipulated. It was found in Study 1 that both masked and unmasked abrupt onset cues produce a validity effect even when they are uninformative of target location. This pattern of results indicates that abrupt onset cues can exogenously shift attention regardless of intentions and conscious awareness. It was found in Studies 2 – 4 that masked symbolic cues also produce a validity effect when they are uninformative of target location. This effect, however, was restricted to experimental contexts that favoured cue utilization and tasks that allowed for the formation of stimulus-response mappings. Intriguingly, however, this pattern of results did not hold for unmasked symbolic cues. Those cues produced a validity effect regardless of task-relevance and task-type. The findings of Studies 2 – 4, therefore, suggest that the propensity to which symbolic cues shift attention relies on participants having a conscious appreciation of the orienting stimulus. Thus, the findings of the present thesis serve to further our understanding of the constraints imposed on the orienting of visual attention generated by masked abrupt onset and symbolic cues.
1 online resource (182 pages) diagrams, graphs
Advisors/Committee Members: Macquarie University. Department of Cognitive Science, ARC Centre of Excellence in Cognition and its Disorders.
Subjects/Keywords: Attention; masking; spatial attention; symbolic cues; abrupt onset cues
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Al-Janabi, S. (2014). Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking. (Doctoral Dissertation). Macquarie University. Retrieved from http://hdl.handle.net/1959.14/1069477
Chicago Manual of Style (16th Edition):
Al-Janabi, Shahd. “Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking.” 2014. Doctoral Dissertation, Macquarie University. Accessed April 04, 2020.
http://hdl.handle.net/1959.14/1069477.
MLA Handbook (7th Edition):
Al-Janabi, Shahd. “Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking.” 2014. Web. 04 Apr 2020.
Vancouver:
Al-Janabi S. Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking. [Internet] [Doctoral dissertation]. Macquarie University; 2014. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1959.14/1069477.
Council of Science Editors:
Al-Janabi S. Constraints on attentional orienting by symbolic and abrupt onset cues as revealed through masking. [Doctoral Dissertation]. Macquarie University; 2014. Available from: http://hdl.handle.net/1959.14/1069477
University of Toronto
13.
Chen, Jiaqing.
Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention.
Degree: 2012, University of Toronto
URL: http://hdl.handle.net/1807/33373
► Body schema is indispensable for sensorimotor control and learning, but it remains unclear whether it is associated with cognitive functions. Data from patients with spatial…
(more)
▼ Body schema is indispensable for sensorimotor control and learning, but it remains unclear whether it is associated with cognitive functions. Data from patients with spatial neglect support this view; yet observations in healthy participants are inconsistent. Here I conducted two sets of experiments examining influences of trunk position: the first probed attention and spatial working memory using a change detection task and a two-back task; the second used different versions of the Posner paradigm to examine whether head-on-trunk position governs disengagement of attention. In none of the experiments did I observe that trunk turns altered performance in the left versus right visual field in an ipsiversive fashion as reported in neglect. Nevertheless, I found that trunk-right position improved performance at eccentric locations of the visual field. The data are inconsistent with previous findings of head-on-trunk effects in normal participants. Further studies are required to clarify these discrepancies.
MAST
Advisors/Committee Members: Niemeier, Matthias, Schmuckler, Mark, Psychology.
Subjects/Keywords: head-on-trunk signals; spatial attention; spatial working memory; body schema; spatial neglect; 0633
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Chen, J. (2012). Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/33373
Chicago Manual of Style (16th Edition):
Chen, Jiaqing. “Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention.” 2012. Masters Thesis, University of Toronto. Accessed April 04, 2020.
http://hdl.handle.net/1807/33373.
MLA Handbook (7th Edition):
Chen, Jiaqing. “Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention.” 2012. Web. 04 Apr 2020.
Vancouver:
Chen J. Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention. [Internet] [Masters thesis]. University of Toronto; 2012. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1807/33373.
Council of Science Editors:
Chen J. Do Proprioceptive Head-on-trunk Signals Modulate Spatial Cognition? – Probing Influences of Body Schema on Working Memory and Spatial Attention. [Masters Thesis]. University of Toronto; 2012. Available from: http://hdl.handle.net/1807/33373
University of California – Riverside
14.
Pierce, Russell Stewart.
3D Spatial Attention and Aging.
Degree: Psychology, 2013, University of California – Riverside
URL: http://www.escholarship.org/uc/item/7g55f4bp
► Spatial attention is a mechanism by which observers are able to enhance the processing of information at relevant locations. Spotlight, zoom lens, and gradient theories…
(more)
▼ Spatial attention is a mechanism by which observers are able to enhance the processing of information at relevant locations. Spotlight, zoom lens, and gradient theories of attention make no predictions about how spatial attention is directed in three-dimensional (3D) scenes. This is an oversight, because previous research has demonstrated that younger and older observers can direct their attention in depth. However, previous experiments on the topic of spatial attention for 3D scenes have been conducted using stimuli that are not typical during real-world task performance or have failed to provide compelling controls for potential confounding variables that are two-dimensional (2D). Therefore, it is uncertain whether younger and older observers can direct their attention in depth during real-world task performance. To address these limitations, I conducted experiments to test the hypothesis that spatial attention is based on a 3D representation of the scene. Several predictions are proposed based on this hypothesis. First, that the allocation of attention in depth is not a consequence of the projected size or 2D spatial separation of the targets but due to their perceived position in depth. Second, that 3D spatial attention will occur for stimuli that do not include binocular disparity as a source of depth information. Third, that 3D spatial attention effects will not be dependent on eye fixation. Lastly, that 3D spatial effects will occur with different tasks. Following from previous research, I also hypothesize that the spatial extent of attention is reduced for older individuals as compared to younger individuals. If these hypotheses are correct, then there will be a reduction in spatial attention along the axis of depth for older individuals as compared to younger individuals. In these experiments, younger and older drivers performed a light detection task and one of two car-following tasks in a simulator lacking binocular disparity information for depth. The results from these experiments were consistent with the predictions of the 3D spatial attention hypothesis. Although there were age-related differences in spatial attention, a reduction in spatial attention along the axis of depth for older individuals was not observed.
Subjects/Keywords: Cognitive psychology; Psychology; Experimental psychology; 3D Attention; Aging; Attention; Older Drivers; Spatial Attention; Three Dimentional Attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Pierce, R. S. (2013). 3D Spatial Attention and Aging. (Thesis). University of California – Riverside. Retrieved from http://www.escholarship.org/uc/item/7g55f4bp
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Pierce, Russell Stewart. “3D Spatial Attention and Aging.” 2013. Thesis, University of California – Riverside. Accessed April 04, 2020.
http://www.escholarship.org/uc/item/7g55f4bp.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Pierce, Russell Stewart. “3D Spatial Attention and Aging.” 2013. Web. 04 Apr 2020.
Vancouver:
Pierce RS. 3D Spatial Attention and Aging. [Internet] [Thesis]. University of California – Riverside; 2013. [cited 2020 Apr 04].
Available from: http://www.escholarship.org/uc/item/7g55f4bp.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Pierce RS. 3D Spatial Attention and Aging. [Thesis]. University of California – Riverside; 2013. Available from: http://www.escholarship.org/uc/item/7g55f4bp
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universiteit Utrecht
15.
Zijlstra, K.J.
De voorspellende waarde van aandacht op ruimtelijke cognitie.
Degree: 2010, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/187311
► This thesis enter the predicted value of attention on spatial cognition of children at the age of nine and twenty months. The purpose was to…
(more)
▼ This thesis enter the predicted value of
attention on
spatial cognition of children at the age of nine and twenty months. The purpose was to find out if a higher level of
attention predicts a higher level of
spatial orientation,
spatial memory and
spatial processing.
Method
30 nine and twenty months old children took part in the study. These children performed several tests to measure the various aspect of
spatial cognition, for example the A not B task. The parents of the children completed also a questionnaire about
spatial orientation and
attention. Regression analyses were used to examine the predicted value of
attention on
spatial cognition at children from nine and twenty months.
Results
Attention was found to significantly predict
spatial processing of children at the age of twenty months. The effect is small to average.
Attention could not significantly predict any of the other aspects of
spatial cognition.
Conclusion
Abstract
Objective
Attention seems not to predict
spatial cognition in general. But it predicts
spatial processing by children at the age of twenty months. It could be that the several brain areas of
attention and
spatial cognition overlap and
spatial processing not fully developed is by children at the age of nigh months. It could also be that
spatial processing needs more
attention. Further research should give
attention on the definition and several aspect of
spatial cognition, the measurement of
spatial cognition and the size of the sample.
Samenvatting
Doel
Deze thesis richt zich op de voorspellende waarde van aandacht op ruimtelijke cognitie bij kinderen van negen en twintig maanden. Het doel is te bekijken of een hoger niveau van aandacht een hoger niveau van respectievelijk ruimtelijke oriëntatie, ruimtelijk werkgeheugen en ruimtelijke verwerking voorspelt bij kinderen van negen en twintig maanden.
Methode
De negen en twintig maanden groep bestonden elk uit 30 kinderen, welke verscheidene taken hebben uitgevoerd om de verschillende aspecten van ruimtelijke cognitie te meten, bijvoorbeeld de ‘A not B’ taak. Ook is er door ouders een vragenlijst over aandacht en ruimtelijke oriëntatie ingevuld. Er is een regressieanalyse gebruikt om de voorspellende waarde van aandacht op ruimtelijke cognitie te bepalen.
Resultaten
Aandacht bleek een significante voorspeller te zijn voor ruimtelijke verwerking bij kinderen van twintig maanden. Het gaat om een klein tot middelmatig effect. Aandacht bleek geen significante voorspeller te zijn voor de overige aspecten van ruimtelijke cognitie.
Conclusie
Aandacht blijkt geen voorspellende waarde te hebben voor ruimtelijke cognitie als geheel, maar wel voor ruimtelijke verwerking bij kinderen van twintig maanden. Het zou kunnen dat de verscheidene hersengebieden van aandacht en ruimtelijke cognitie meer overlappen en dat ruimtelijke verwerking nog niet voldoende is ontwikkeld bij kinderen van negen maanden. Het zou ook kunnen dat ruimtelijke verwerking meer aandacht vergt. Vervolgonderzoek zal zich eveneens moeten richten op de definitie en de…
Advisors/Committee Members: Oudgenoeg-Paz, O., Hamers, J.H.M..
Subjects/Keywords: Sociale Wetenschappen; Attention; spatial orientation; spatial memory; spatial processing; spatial cognition.
Aandacht; ruimtelijke oriëntatie; ruimtelijk werkgeheugen; ruimtelijke verwerking; ruimtelijke cognitie.
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zijlstra, K. J. (2010). De voorspellende waarde van aandacht op ruimtelijke cognitie. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/187311
Chicago Manual of Style (16th Edition):
Zijlstra, K J. “De voorspellende waarde van aandacht op ruimtelijke cognitie.” 2010. Masters Thesis, Universiteit Utrecht. Accessed April 04, 2020.
http://dspace.library.uu.nl:8080/handle/1874/187311.
MLA Handbook (7th Edition):
Zijlstra, K J. “De voorspellende waarde van aandacht op ruimtelijke cognitie.” 2010. Web. 04 Apr 2020.
Vancouver:
Zijlstra KJ. De voorspellende waarde van aandacht op ruimtelijke cognitie. [Internet] [Masters thesis]. Universiteit Utrecht; 2010. [cited 2020 Apr 04].
Available from: http://dspace.library.uu.nl:8080/handle/1874/187311.
Council of Science Editors:
Zijlstra KJ. De voorspellende waarde van aandacht op ruimtelijke cognitie. [Masters Thesis]. Universiteit Utrecht; 2010. Available from: http://dspace.library.uu.nl:8080/handle/1874/187311
University of California – San Diego
16.
Vo, Vy Ai.
The effects of cognitive state on visual encoding properties in human cortex.
Degree: Neurosciences, 2019, University of California – San Diego
URL: http://www.escholarship.org/uc/item/9rq1d71w
► Understanding the format of neural representations is a key problem in neuroscience. I present a series of functional magnetic resonance imaging (fMRI) studies of the…
(more)
▼ Understanding the format of neural representations is a key problem in neuroscience. I present a series of functional magnetic resonance imaging (fMRI) studies of the human visual system to investigate the format of how visual information is represented, and how the format changes due to different cognitive demands. First, I investigate how covert spatial attention modifies visual encoding properties at two different levels of analysis—at the level of a single spatial encoding unit, the receptive field, and at the level of the encoding population. Second, I examine how the contents of visual memory are represented across both working memory and long-term memory, systems that have traditionally been considered distinct entities. Together these data reveal how different retinotopic regions of visual cortex flexibly encode information about the visual world and how they are altered in response to varying cognitive demands.
Subjects/Keywords: Neurosciences; Cognitive psychology; fMRI; long-term memory; spatial attention; vision; visual attention; working memory
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Vo, V. A. (2019). The effects of cognitive state on visual encoding properties in human cortex. (Thesis). University of California – San Diego. Retrieved from http://www.escholarship.org/uc/item/9rq1d71w
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Vo, Vy Ai. “The effects of cognitive state on visual encoding properties in human cortex.” 2019. Thesis, University of California – San Diego. Accessed April 04, 2020.
http://www.escholarship.org/uc/item/9rq1d71w.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Vo, Vy Ai. “The effects of cognitive state on visual encoding properties in human cortex.” 2019. Web. 04 Apr 2020.
Vancouver:
Vo VA. The effects of cognitive state on visual encoding properties in human cortex. [Internet] [Thesis]. University of California – San Diego; 2019. [cited 2020 Apr 04].
Available from: http://www.escholarship.org/uc/item/9rq1d71w.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Vo VA. The effects of cognitive state on visual encoding properties in human cortex. [Thesis]. University of California – San Diego; 2019. Available from: http://www.escholarship.org/uc/item/9rq1d71w
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Boston University
17.
Chang, Hung-Cheng.
Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene.
Degree: PhD, Cognitive & Neural Systems, 2014, Boston University
URL: http://hdl.handle.net/2144/15113
► The Where's Waldo problem concerns how individuals can rapidly scan a scene to detect a target object in it. This dissertation develops the ARTSCAN Search…
(more)
▼ The Where's Waldo problem concerns how individuals can rapidly scan a scene to detect a target object in it. This dissertation develops the ARTSCAN Search neural model to clarify how brain mechanisms that govern spatial and object attention, spatially-invariant object learning and recognition, reinforcement learning, and eye movement search are coordinated to enable learning and directed search for desired objects at specific locations in a cluttered scene. In the model, interactions from the Where cortical processing stream to the What cortical processing stream modulate invariant category learning of a desired object, whereas interactions from the What cortical processing stream to the Where cortical processing stream support search for the object. In particular, when an invariant object category representation is activated top-down by a cognitive plan or by an active motivational source in the model's What stream, it can shift spatial attention in the Where stream and thereby selectively activate the locations of sought-after object exemplars. These combined What-to-Where and Where-to-What interactions clarify how the brain's solution of the Where's Waldo problem overcomes the complementary deficiencies of What and Where stream processes taken individually by using inter-stream interactions that allow both invariant object recognition and spatially selective attention and action to occur.
Subjects/Keywords: Neurosciences; Adaptive resonance theory; Category learning; Object attention; Saccadic eye movements; Spatial attention; Surface perception
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Chang, H. (2014). Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene. (Doctoral Dissertation). Boston University. Retrieved from http://hdl.handle.net/2144/15113
Chicago Manual of Style (16th Edition):
Chang, Hung-Cheng. “Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene.” 2014. Doctoral Dissertation, Boston University. Accessed April 04, 2020.
http://hdl.handle.net/2144/15113.
MLA Handbook (7th Edition):
Chang, Hung-Cheng. “Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene.” 2014. Web. 04 Apr 2020.
Vancouver:
Chang H. Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene. [Internet] [Doctoral dissertation]. Boston University; 2014. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/2144/15113.
Council of Science Editors:
Chang H. Where's Waldo?® How perceptual, cognitive, and emotional brain processes cooperate during learning to categorize and find desired objects in a cluttered scene. [Doctoral Dissertation]. Boston University; 2014. Available from: http://hdl.handle.net/2144/15113
18.
Yamani, Yusuke.
Age-related similarities in the attentional visual field.
Degree: PhD, 0338, 2013, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/45520
► The visual world is cluttered, and adaptive behavior often demands attention to multiple objects. Unfortunately, compared with young adults, older adults seem to show more…
(more)
▼ The visual world is cluttered, and adaptive behavior often demands
attention to multiple objects. Unfortunately, compared with young adults, older adults seem to show more difficulty in dividing
attention across the visual field (e.g. Ball et al., 1988), an effect often interpreted as an age-related constriction of the attentional visual field (AVF). As yet, the mechanisms underlying progressive shrinking of the AVF across lifespan remain unclear. The current work directly gauged workload capacity, C(t), calculated based on response time distributions (Townsend & Nozawa, 1995), to isolate the effects of
attention and sensory limits across the visual field in young and older adults. Young and older adults made a speeded discrimination of one or two colored target letter(s) presented at varying levels of retinal eccentricity with or without the presence of clutter. In Experiment 1, surprisingly, workload capacity increased with retinal eccentricity and in the presence of clutter, and these effects were larger for older than young adults. Experiment 2 and 3 examined the influence of intertarget contingencies (Mordkoff & Yantis, 1991) on workload capacity under varying levels of clutter and target eccentricity. Data failed to find evidence of an age-related capacity gain either in the absence of intertarget contingencies or under conditions of moderate intertarget contingencies.. Experiment 4 attempted to replicate the age-related benefit found in Experiment 1, but found similarities in attentional performance across young and older adults. Meta-analysis of mean capacity scores across all four experiments indicates general age-related benefit in visual divided capacity. Meta-analyses of effects of eccentricity and clutter indicate the age-related similarities at various eccentricity and benefit in cluttered environments. The findings argue against the suggestion that peripheral visual losses in older adults are strictly attentional, and suggest instead that they are sensory or perceptual in basis.
Advisors/Committee Members: McCarley, Jason S. (advisor), McCarley, Jason S. (Committee Chair), Kramer, Arthur F. (committee member), Benjamin, Aaron S. (committee member), Lleras, Alejandro (committee member), Morrow, Daniel G. (committee member).
Subjects/Keywords: Visual attention; Aging; Spatial attention
…condition.
However, the ability to divide attention in two spatial locations appears to decline… …to divide attention between different spatial locations, consistent
with the previous… …because older adults are less able to divide spatial attention and integrate information from… …different eccentricities. It aims to isolate the effects of
attention and sensory limits across… …relationship between aging and selective attention
suggests that the ability to selectively attend to…
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Yamani, Y. (2013). Age-related similarities in the attentional visual field. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/45520
Chicago Manual of Style (16th Edition):
Yamani, Yusuke. “Age-related similarities in the attentional visual field.” 2013. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed April 04, 2020.
http://hdl.handle.net/2142/45520.
MLA Handbook (7th Edition):
Yamani, Yusuke. “Age-related similarities in the attentional visual field.” 2013. Web. 04 Apr 2020.
Vancouver:
Yamani Y. Age-related similarities in the attentional visual field. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2013. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/2142/45520.
Council of Science Editors:
Yamani Y. Age-related similarities in the attentional visual field. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2013. Available from: http://hdl.handle.net/2142/45520
University of Manitoba
19.
OLADOKUN, BAYONLE.
The effect of covert auditory attention in multiple target aiming: kinematic evidence.
Degree: Kinesiology and Recreation Management, 2017, University of Manitoba
URL: http://hdl.handle.net/1993/32446
► The theories of attention and motor planning postulate that both process are tightly coupled. The present study examined these theories in covert auditory attention. In…
(more)
▼ The theories of
attention and motor planning postulate that both process are tightly coupled. The present study examined these theories in covert auditory
attention. In two experiments, participants (N=24) reached to four target locations in the presence of a no-cue, neutral cue, 50/50, and 80/20 auditory cue. In the first experiment the cue was presented at movement initiation, while in the second experiment it was presented 130ms following movement initiation. Neutral condition cues were presented from both piezoelectric buzzers (right and left). Predictive condition cues predicted the target location on 50% or 80% of the trials. Movement trajectories were collected using an Optotrak 3D investigator. Performance and kinematic variables were analyzed, including trajectory deviations. With lateralized cues, the point at which a deviation toward the target occurred earlier in both experiments. Therefore, the presence of a random lateralized sound affected action from both a crossmodal attentional and multisensory integration perspective.
Advisors/Committee Members: Glazebrook, Cheryl (Kinesiology and Recreation Management) (supervisor), Singer, Jonathan (Kinesiology and Recreation Management) Mann, Danny (Biosystems Engineering) (examiningcommittee).
Subjects/Keywords: Endogenous attention; Exogenous attention; Action-centred attention; Spatial averaging; Multiple targets aiming; Movement trajectory; Goal-directed aiming
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
OLADOKUN, B. (2017). The effect of covert auditory attention in multiple target aiming: kinematic evidence. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/32446
Chicago Manual of Style (16th Edition):
OLADOKUN, BAYONLE. “The effect of covert auditory attention in multiple target aiming: kinematic evidence.” 2017. Masters Thesis, University of Manitoba. Accessed April 04, 2020.
http://hdl.handle.net/1993/32446.
MLA Handbook (7th Edition):
OLADOKUN, BAYONLE. “The effect of covert auditory attention in multiple target aiming: kinematic evidence.” 2017. Web. 04 Apr 2020.
Vancouver:
OLADOKUN B. The effect of covert auditory attention in multiple target aiming: kinematic evidence. [Internet] [Masters thesis]. University of Manitoba; 2017. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1993/32446.
Council of Science Editors:
OLADOKUN B. The effect of covert auditory attention in multiple target aiming: kinematic evidence. [Masters Thesis]. University of Manitoba; 2017. Available from: http://hdl.handle.net/1993/32446
University of Saskatchewan
20.
Goodall, Kathleen M.
Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design.
Degree: 2005, University of Saskatchewan
URL: http://hdl.handle.net/10388/etd-08262005-103342
► The purpose of this thesis was to determine whether asymmetry in metric and topological spatial judgments could be attributed to the spatial frequency of the…
(more)
▼ The purpose of this thesis was to determine whether asymmetry in metric and topological
spatial judgments could be attributed to the
spatial frequency of the stimulus or the size of the attended receptive field. A left hemisphere advantage has been found for topological judgments and a right hemisphere advantage for metric judgments. This asymmetry has been attributed to asymmetrical processing of input conditions, namely size of attended receptive field (called the attentional bin) and
spatial frequency of the stimulus. The larger a stimulus, the higher the proportion of low
spatial frequencies, so large stimuli are thought to facilitate the extraction of lower
spatial frequencies while small stimuli are thought to facilitate the extraction of higher
spatial frequencies. A left hemisphere advantage has been reported for high
spatial frequencies and small attentional bins and a right hemisphere advantage has been reported for low
spatial frequencies and large attentional bins. A method for pitting asymmetrically distributed input conditions against each other using asymmetrically distributed tasks was developed. Three studies were conducted. In the first study, a lack of hemisphere effects suggested bilateral processing of the stimuli. Using an eye tracker, participants were easily able to saccade to the stimulus as was shown in Experiment 2. In Experiment 3, effective exposure duration was reduced so that unilateral viewing was ensured. Under these conditions, bin size and
spatial frequency were not dissociable due to a lack of hemisphere effects for
spatial frequency and because of task dependency for bin size and
spatial frequency processing. Although the assumptions of the double double dissociation were not met, asymmetry in
spatial judgments under conditions comparable to those used by Kosslyn et al.(1989) was attributable to a right hemisphere advantage for processing through small attentional bins.
Advisors/Committee Members: Elias, Lorin J., Vrbancic, Mirna, Saucier, Deborah M., Sarty, Gordon E., Kirk, Andrew, Cheesman, James E. (Jim), Bryden, Pam.
Subjects/Keywords: Spatial Frequency; Kosslyn; Spatial Asymmetry; Attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Goodall, K. M. (2005). Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design. (Thesis). University of Saskatchewan. Retrieved from http://hdl.handle.net/10388/etd-08262005-103342
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Goodall, Kathleen M. “Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design.” 2005. Thesis, University of Saskatchewan. Accessed April 04, 2020.
http://hdl.handle.net/10388/etd-08262005-103342.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Goodall, Kathleen M. “Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design.” 2005. Web. 04 Apr 2020.
Vancouver:
Goodall KM. Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design. [Internet] [Thesis]. University of Saskatchewan; 2005. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10388/etd-08262005-103342.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Goodall KM. Asymmetry in spatial judgments : testing bin theory and spatial frequency theory in a double double dissociation design. [Thesis]. University of Saskatchewan; 2005. Available from: http://hdl.handle.net/10388/etd-08262005-103342
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Laurentian University
21.
Thibeault, Michel R.
Effects of action video game training on spatial attention
.
Degree: 2015, Laurentian University
URL: https://zone.biblio.laurentian.ca/dspace/handle/10219/2440
► Studies suggest that action video game play improves top-down attentional control. A current learning to learn theory proposes that probabilistic inference, the ability to identify…
(more)
▼ Studies suggest that action video game play improves top-down attentional control. A current learning to learn theory proposes that probabilistic inference, the ability to identify statistical patterns and create task-relevant perceptual templates to efficiently orient endogenous attention, underlies video game players’ greater performance relative to non-gamers in a variety of tasks. The current study aimed to evaluate this theory using a target detection task known to induce a suboptimal number line top-down template, which results in spatial biases. Participants were trained for ten hours on either Tetris or Medal of Honor. Mean reaction time across all conditions was significantly improved in both groups. However, there was no evidence for enhanced top-down control due to video game training in this experiment.
Subjects/Keywords: Endogenous attention;
Top-down control;
Action video games;
Spatial bias
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Thibeault, M. R. (2015). Effects of action video game training on spatial attention
. (Thesis). Laurentian University. Retrieved from https://zone.biblio.laurentian.ca/dspace/handle/10219/2440
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Thibeault, Michel R. “Effects of action video game training on spatial attention
.” 2015. Thesis, Laurentian University. Accessed April 04, 2020.
https://zone.biblio.laurentian.ca/dspace/handle/10219/2440.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Thibeault, Michel R. “Effects of action video game training on spatial attention
.” 2015. Web. 04 Apr 2020.
Vancouver:
Thibeault MR. Effects of action video game training on spatial attention
. [Internet] [Thesis]. Laurentian University; 2015. [cited 2020 Apr 04].
Available from: https://zone.biblio.laurentian.ca/dspace/handle/10219/2440.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Thibeault MR. Effects of action video game training on spatial attention
. [Thesis]. Laurentian University; 2015. Available from: https://zone.biblio.laurentian.ca/dspace/handle/10219/2440
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universiteit Utrecht
22.
van der Stoep, N.
Into the depths of spatial attention and multisensory integration.
Degree: 2015, Universiteit Utrecht
URL: http://dspace.library.uu.nl:8080/handle/1874/322764
► During our daily lives our senses are flooded with information. We can see, hear, feel, smell, and taste all at the same time. Luckily, our…
(more)
▼ During our daily lives our senses are flooded with information. We can see, hear, feel, smell, and taste all at the same time. Luckily, our brain is helping us to make sense of this abundant information by combining information from different senses. The simultaneous presentation of information to different senses often results in behavioral benefits like faster detection and localization as compared to when only a single sense is stimulated. Two processes through which such benefits can occur are crossmodal exogenous
spatial attention and multisensory integration (MSI). These two processes are essential for
spatial orienting and are central to the studies that are described in the current thesis. In the first part, studies investigating when and how crossmodal exogenous
spatial attention and MSI contribute to multisensory improvements in
spatial perception are reported. Among others, it was shown that MSI is the main cause of multisensory benefits when sound and light are presented in close
spatial and temporal proximity. However, both MSI and crossmodal exogenous
spatial attention contribute when the time interval between sound and light increases. At longer intervals MSI does not longer contribute and
spatial attention takes over. It was also shown that MSI is reduced when a multisensory stimulus is attended compared to when it is unattended. Several findings from neurophysiological and neuropsychological studies of
attention and multisensory perception have revealed that the brain processes information coming from near and far space differently. In the studies that are described in part 2 it was investigated how the behavioral benefits of crossmodal exogenous
spatial attention and MSI change as a function of the location of sound and light in three-dimensional space. These studies revealed that crossmodal exogenous
spatial attention is distance-specific. Sounds that are presented in far space improve visual perception in far space, but not in near space, and the other way around. Further support for the idea that the
attention system takes the distance of information into account comes from a study of
spatial attention in stroke patients. It was observed that impairments in visuospatial
attention could be distance-specific. Patients could have
attention impairments in near space, without visuospatial
attention impairments in far space. Patients could also have
attention deficits in far space only, or in both near and far space. In a different study, we observed that the benefits of multisensory integration for the detection and localization of sound and light is enhanced in far relative to near space. Not only do these studies add to the understanding of human multisensory perception, they also provide a foundation for the application of these findings to more practical, real-life situations. For example, in situations where responses should be as fast and as accurate as possible (e.g., while driving), it can be very helpful to present a multisensory warning signal to warn for an approaching threat. After all, it…
Advisors/Committee Members: Postma, Albert, van der Stigchel, Stefan, Nijboer, Tanja.
Subjects/Keywords: Multisensory integration; spatial attention; crossmodal; space; depth; audition; vision
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
van der Stoep, N. (2015). Into the depths of spatial attention and multisensory integration. (Doctoral Dissertation). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/322764
Chicago Manual of Style (16th Edition):
van der Stoep, N. “Into the depths of spatial attention and multisensory integration.” 2015. Doctoral Dissertation, Universiteit Utrecht. Accessed April 04, 2020.
http://dspace.library.uu.nl:8080/handle/1874/322764.
MLA Handbook (7th Edition):
van der Stoep, N. “Into the depths of spatial attention and multisensory integration.” 2015. Web. 04 Apr 2020.
Vancouver:
van der Stoep N. Into the depths of spatial attention and multisensory integration. [Internet] [Doctoral dissertation]. Universiteit Utrecht; 2015. [cited 2020 Apr 04].
Available from: http://dspace.library.uu.nl:8080/handle/1874/322764.
Council of Science Editors:
van der Stoep N. Into the depths of spatial attention and multisensory integration. [Doctoral Dissertation]. Universiteit Utrecht; 2015. Available from: http://dspace.library.uu.nl:8080/handle/1874/322764
University of California – Berkeley
23.
Landau, Ayelet Nina.
Neural Circuits Mediating Voluntary and Involuntary Attention.
Degree: Psychology, 2010, University of California – Berkeley
URL: http://www.escholarship.org/uc/item/8cr1d3wj
► Spatial attention is the capacity to prioritize part of the environment for processing over other parts. It can be employed in an internally guided manner,…
(more)
▼ Spatial attention is the capacity to prioritize part of the environment for processing over other parts. It can be employed in an internally guided manner, advancing current behavioral goals (i.e., voluntary spatial attention), or it can be captured by salient stimuli in the environment (i.e., involuntary attention). This thesis presents a series of studies investigating neural indices of voluntary and involuntary attention as well as aspects of neural circuits related to spatial attention. The first study used electroencephalography (EEG) to provide evidence that sustained spatial attention on a location generates increased coupling between the hemispheres and acceleration of interhemispheric communication. In the second study, EEG was used to measure indices of voluntary and involuntary attention. Using identical stimulus conditions in a spatial cueing paradigm, we found a physiological marker for voluntary attention that is not present for involuntary attention. In the final study we utilized fMRI coherency to measure network dynamics mediating the two types of attention. We found that voluntary attention acts to reduce coupling between regions engaged in spatial attention. In addition we find a hemispheric asymmetry in degrees of coupling such that both types of attention produce greater coupling in the right hemisphere compared to the left hemisphere. Together these studies developed indices of voluntary and involuntary attention and begin to describe the physiological mechanisms that mediate attention.
Subjects/Keywords: Psychology, Cognitive; Neurobiology; Cognitive Neuroscience; coherency; EEG; fMRI; gamma; Spatial Attention
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Landau, A. N. (2010). Neural Circuits Mediating Voluntary and Involuntary Attention. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/8cr1d3wj
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Landau, Ayelet Nina. “Neural Circuits Mediating Voluntary and Involuntary Attention.” 2010. Thesis, University of California – Berkeley. Accessed April 04, 2020.
http://www.escholarship.org/uc/item/8cr1d3wj.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Landau, Ayelet Nina. “Neural Circuits Mediating Voluntary and Involuntary Attention.” 2010. Web. 04 Apr 2020.
Vancouver:
Landau AN. Neural Circuits Mediating Voluntary and Involuntary Attention. [Internet] [Thesis]. University of California – Berkeley; 2010. [cited 2020 Apr 04].
Available from: http://www.escholarship.org/uc/item/8cr1d3wj.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Landau AN. Neural Circuits Mediating Voluntary and Involuntary Attention. [Thesis]. University of California – Berkeley; 2010. Available from: http://www.escholarship.org/uc/item/8cr1d3wj
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Oxford
24.
Lee, Jae Won.
Auditory cuing of visual attention : spatial and sound parameters.
Degree: PhD, 2017, University of Oxford
URL: https://ora.ox.ac.uk/objects/uuid:83efb40d-f77d-420e-9372-623ebae3224c
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.740886
► The experiments reported in this thesis investigate whether the current understanding of crossmodal spatial attention can be applied to rear space, and how sound parameters…
(more)
▼ The experiments reported in this thesis investigate whether the current understanding of crossmodal spatial attention can be applied to rear space, and how sound parameters can modulate crossmodal spatial cuing effects. It is generally accepted that the presentation of a brief auditory cue can exogenously orient spatial attention to the cued region of space so that reaction times (RTs) to visual targets presented there are faster than those presented elsewhere. Unlike the conventional belief in such crossmodal spatial cuing effects, RTs to visual targets were equally facilitated from the presentation of an auditory cue in the front or in the rear, as long as the stimuli were presented ipsilaterally. Moreover, when an auditory cue and a visual target were presented from one of two lateral positions on each side in front, the spatial co-location of the two stimuli did not always lead to the fastest target RTs. Although contrasting with the traditional view on the importance of cue-target spatial co-location in exogenous crossmodal cuing effects, such findings are consistent with the evidence concerning multisensory integration in the superior colliculus (SC). Further investigation revealed that the presentation of an auditory cue with an exponential intensity change might be able to exogenously orient crossmodal spatial attention narrowly to the cued region of space. Taken together, the findings reported in this thesis suggest that not only the location but also sound parameters (e.g., intensity change) of auditory cues can modulate the crossmodal exogenous orienting of spatial attention.
Subjects/Keywords: Looming sounds; Spatial cuing; Exogenous; Rear space; Attention; Crossmodal
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Lee, J. W. (2017). Auditory cuing of visual attention : spatial and sound parameters. (Doctoral Dissertation). University of Oxford. Retrieved from https://ora.ox.ac.uk/objects/uuid:83efb40d-f77d-420e-9372-623ebae3224c ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.740886
Chicago Manual of Style (16th Edition):
Lee, Jae Won. “Auditory cuing of visual attention : spatial and sound parameters.” 2017. Doctoral Dissertation, University of Oxford. Accessed April 04, 2020.
https://ora.ox.ac.uk/objects/uuid:83efb40d-f77d-420e-9372-623ebae3224c ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.740886.
MLA Handbook (7th Edition):
Lee, Jae Won. “Auditory cuing of visual attention : spatial and sound parameters.” 2017. Web. 04 Apr 2020.
Vancouver:
Lee JW. Auditory cuing of visual attention : spatial and sound parameters. [Internet] [Doctoral dissertation]. University of Oxford; 2017. [cited 2020 Apr 04].
Available from: https://ora.ox.ac.uk/objects/uuid:83efb40d-f77d-420e-9372-623ebae3224c ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.740886.
Council of Science Editors:
Lee JW. Auditory cuing of visual attention : spatial and sound parameters. [Doctoral Dissertation]. University of Oxford; 2017. Available from: https://ora.ox.ac.uk/objects/uuid:83efb40d-f77d-420e-9372-623ebae3224c ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.740886
Vanderbilt University
25.
Xie, Xianshi.
An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams.
Degree: PhD, Computer Science, 2015, Vanderbilt University
URL: http://etd.library.vanderbilt.edu/available/etd-03212015-172605/
;
► Immersive virtual environment (IVE) systems have applications in many areas, such as training, physical therapy, and entertainment. This thesis examines a fundamental function in IVEs:…
(more)
▼ Immersive virtual environment (IVE) systems have applications in many areas, such as training, physical therapy, and entertainment. This thesis examines a fundamental function in IVEs: navigation. We built and optimized a locomotion system that allows free exploration in large IVEs within a limited physically tracked space while maintaining usersâ
spatial orientation. We additionally examined bipedal locomotion systems versus non-locomotive interfaces as means of moving and navigating in an IVE to determine the costs and benefits of both.
This thesis then focused on an application: human-robot teaming scenarios involving locomotion and navigation. In particular, we examined how a human supervisor, in a search task, attends to robot teams, potentially large and/or geographically distributed. We examined how the presence of moving robots and an individual difference of navigation strategy affected peopleâs navigation ability when they were embedded with a large robot team. Our results advance cognitive findings in
spatial attention division and
spatial navigation of demanding scenarios. Our research may also provide important implications for the design of human-robot teams, and the command and control strategy of such teams.
Advisors/Committee Members: Bobby Bodenheimer (chair), Tim Mcnamara (committee member), Julie Adams (committee member), Benoit Dawant (committee member), Amy Shelton (committee member).
Subjects/Keywords: virtual reality; navigation system; human-robot team; spatial attention; spation memory
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Xie, X. (2015). An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams. (Doctoral Dissertation). Vanderbilt University. Retrieved from http://etd.library.vanderbilt.edu/available/etd-03212015-172605/ ;
Chicago Manual of Style (16th Edition):
Xie, Xianshi. “An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams.” 2015. Doctoral Dissertation, Vanderbilt University. Accessed April 04, 2020.
http://etd.library.vanderbilt.edu/available/etd-03212015-172605/ ;.
MLA Handbook (7th Edition):
Xie, Xianshi. “An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams.” 2015. Web. 04 Apr 2020.
Vancouver:
Xie X. An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams. [Internet] [Doctoral dissertation]. Vanderbilt University; 2015. [cited 2020 Apr 04].
Available from: http://etd.library.vanderbilt.edu/available/etd-03212015-172605/ ;.
Council of Science Editors:
Xie X. An Examination of Navigation Methods for Large Immersive Virtual Environments with Application to the Study of Human-Robot Teams. [Doctoral Dissertation]. Vanderbilt University; 2015. Available from: http://etd.library.vanderbilt.edu/available/etd-03212015-172605/ ;
University of Waterloo
26.
Waechter, Stephanie.
Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing.
Degree: 2009, University of Waterloo
URL: http://hdl.handle.net/10012/4578
► The question of whether words can be identified without spatial attention has been a topic of considerable interest over the last five and a half…
(more)
▼ The question of whether words can be identified without spatial attention has been a topic of considerable interest over the last five and a half decades, but the literature has yielded mixed conclusions. Some studies show substantial effects of distractor words which are argued to appear outside of spatial attention, whereas a small number of other studies show no evidence of such effects. I argue that at least some of the discrepant results can be understood in terms of failures to optimally focus attention at the cued location. The present experiments manipulated the proportion of valid trials to encourage distributed (Experiments 1 and 3) or focused (Experiments 2 and 4) spatial attention. Participants read aloud a target word, and the impact of a simultaneously presented distractor word was assessed. Semantic and repetition distractor effects were present when conditions promoted distributed spatial attention, but distractor effects were absent when conditions promoted focused spatial attention. These data are consistent with the proposal that (1) the allocation of spatial attention across displays is strongly context-dependent and (2) spatial attention is a necessary preliminary to lexical/semantic processing.
Subjects/Keywords: spatial attention; visual word recognition
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Waechter, S. (2009). Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/4578
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Waechter, Stephanie. “Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing.” 2009. Thesis, University of Waterloo. Accessed April 04, 2020.
http://hdl.handle.net/10012/4578.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Waechter, Stephanie. “Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing.” 2009. Web. 04 Apr 2020.
Vancouver:
Waechter S. Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing. [Internet] [Thesis]. University of Waterloo; 2009. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/10012/4578.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Waechter S. Basic Processes in Reading: Spatial Attention as a Necessary Preliminary to Lexical/Semantic Processing. [Thesis]. University of Waterloo; 2009. Available from: http://hdl.handle.net/10012/4578
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Toronto
27.
Zimmermann, Jacqueline.
Effects of Long Term Memory on Auditory Spatial Attention.
Degree: 2014, University of Toronto
URL: http://hdl.handle.net/1807/68020
► We examined how associations between real world auditory scenes and the location of an embedded auditory target influence spatial attention after a delay period. Healthy…
(more)
▼ We examined how associations between real world auditory scenes and the location of an embedded auditory target influence spatial attention after a delay period. Healthy young adults (N= 16) formed strong memories for spatial locations of targets within sound scenes, which biased attention one hour later. Participants showed gains in reaction time (100ms) and accuracy (12% increase) to locate targets proceeded by valid memory cues (scenes for which target-context associations were formed) compared to neutral cues. We also found a positive relationship (r =.55, p
M.A.
Advisors/Committee Members: Alain, Claude, Psychology.
Subjects/Keywords: auditory; long term memory; magnetoencephalography; memory cue; spatial attention; 0633
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Zimmermann, J. (2014). Effects of Long Term Memory on Auditory Spatial Attention. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/68020
Chicago Manual of Style (16th Edition):
Zimmermann, Jacqueline. “Effects of Long Term Memory on Auditory Spatial Attention.” 2014. Masters Thesis, University of Toronto. Accessed April 04, 2020.
http://hdl.handle.net/1807/68020.
MLA Handbook (7th Edition):
Zimmermann, Jacqueline. “Effects of Long Term Memory on Auditory Spatial Attention.” 2014. Web. 04 Apr 2020.
Vancouver:
Zimmermann J. Effects of Long Term Memory on Auditory Spatial Attention. [Internet] [Masters thesis]. University of Toronto; 2014. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1807/68020.
Council of Science Editors:
Zimmermann J. Effects of Long Term Memory on Auditory Spatial Attention. [Masters Thesis]. University of Toronto; 2014. Available from: http://hdl.handle.net/1807/68020
Tulane University
28.
Anderson, Maxwell M.
Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory.
Degree: 2014, Tulane University
URL: https://digitallibrary.tulane.edu/islandora/object/tulane:27810
► Previous studies investigating interactions between spatial attention and numeric stimuli (see SNARC effect) have identified an attentional bias induced by numeric stimuli in accordance with…
(more)
▼ Previous studies investigating interactions between spatial attention and numeric stimuli (see SNARC effect) have identified an attentional bias induced by numeric stimuli in accordance with a mental number line model of processing. This processing model attributes orienting effects induced by numeric stimuli to long-term memory structures, such as a left-to-right number system in a given culture. The present study aims to investigate long-term memory may modulate attentional biases induced by the contents in short-term memory. In other words, can simply thinking about number induce spatial biasing effects? In this study, dichotic listening is used to measure of spatial attention in the auditory modality. Subjects were given numeric items to retain in short term memory during the spatial attention task, and prompted to recall the numbers verbally after each trial. Factors of number magnitude, load size, interval size between numbers, and presentation order are analyzed in terms of their effect on auditory spatial orienting. Auditory spatial orienting is assessed through a measure of laterality index – a ratio of left/right ear responses indicating attention as allocated to the left or right side of space. Results demonstrated a clear influence of number magnitude and presentation order on auditory spatial attention, however these effects were highly variable depending on other factors present in each experiment. Overall, results suggest that in addition to SNARC based orienting responses, the orienting effects of items in short term memory on spatial attention may be influenced by novelty, interactions with language, and multiple neural mechanisms responsible for representing quantity information.
Advisors/Committee Members: Golob, Edward (Thesis advisor).
Subjects/Keywords: Spatial Attention; Memory; School of Science & Engineering; Neuroscience; Masters
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Anderson, M. M. (2014). Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory. (Masters Thesis). Tulane University. Retrieved from https://digitallibrary.tulane.edu/islandora/object/tulane:27810
Chicago Manual of Style (16th Edition):
Anderson, Maxwell M. “Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory.” 2014. Masters Thesis, Tulane University. Accessed April 04, 2020.
https://digitallibrary.tulane.edu/islandora/object/tulane:27810.
MLA Handbook (7th Edition):
Anderson, Maxwell M. “Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory.” 2014. Web. 04 Apr 2020.
Vancouver:
Anderson MM. Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory. [Internet] [Masters thesis]. Tulane University; 2014. [cited 2020 Apr 04].
Available from: https://digitallibrary.tulane.edu/islandora/object/tulane:27810.
Council of Science Editors:
Anderson MM. Biases In Auditory-spatial Attention Induced By Numbers In Short-term Memory. [Masters Thesis]. Tulane University; 2014. Available from: https://digitallibrary.tulane.edu/islandora/object/tulane:27810
University of Manitoba
29.
Rahman, Tanzila.
Person Re-identification in Images and Videos.
Degree: Computer Science, 2018, University of Manitoba
URL: http://hdl.handle.net/1993/33350
► Person re-identification is a challenging task of matching a query person across multiple person's images or videos captured from different camera views. Recently, deep learning…
(more)
▼ Person re-identification is a challenging task of matching a query person across multiple person's images or videos captured from different camera views. Recently, deep learning based approaches have showed promising performance on this task. In this thesis, initially we propose an image based person re-identification approach with
Spatial Transformer Networks. Most previous deep learning based approaches use whole image features to compute the similarity between images. This is not very intuitive since not all the regions in an image contain information about the person identity. Hence, we introduce an end-to-end Siamese convolutional neural network that firstly localizes discriminative salient image regions and then computes the similarity based on these image regions. Furthermore, we propose an efficient
attention based model for person re-identifying from videos. Our method generates an
attention score for each frame based on frame-level features. The
attention scores of all frames in a video are used to produce a weighted feature vector for the input video which is refined iteratively for re-identifying persons from videos. Extensive experiments on different datasets show that the proposed models provide an effective way of re-identifying person from images as well as videos.
Advisors/Committee Members: Wang, Yang (Computer Science) (supervisor), Carson Kai-Sang Leung (Computer Science),.
Subjects/Keywords: re-identification; Spatial transformer network; attention network; discriminative region
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Rahman, T. (2018). Person Re-identification in Images and Videos. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/33350
Chicago Manual of Style (16th Edition):
Rahman, Tanzila. “Person Re-identification in Images and Videos.” 2018. Masters Thesis, University of Manitoba. Accessed April 04, 2020.
http://hdl.handle.net/1993/33350.
MLA Handbook (7th Edition):
Rahman, Tanzila. “Person Re-identification in Images and Videos.” 2018. Web. 04 Apr 2020.
Vancouver:
Rahman T. Person Re-identification in Images and Videos. [Internet] [Masters thesis]. University of Manitoba; 2018. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1993/33350.
Council of Science Editors:
Rahman T. Person Re-identification in Images and Videos. [Masters Thesis]. University of Manitoba; 2018. Available from: http://hdl.handle.net/1993/33350
University of Manitoba
30.
Hildebrand, Kerri D.
Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?.
Degree: Psychology, 2019, University of Manitoba
URL: http://hdl.handle.net/1993/33854
► Attention Resolution (AR) modulation is a visual-spatial process used to isolate, in attention, a specified item in a cluttered visual display, such as the face…
(more)
▼ Attention Resolution (AR) modulation is a visual-
spatial process used to isolate, in
attention, a specified item in a cluttered visual display, such as the face of “Waldo” pictured in a crowd of faces or a specified letter in a written word; the speed with which AR adjustments take place is proposed to reflect AR efficiency. Children develop more precise AR with age (Wolf & Pfeiffer, 2014) enabling isolation of more-closely spaced items over time. The print size needed for optimal reading speed also decreases with age, perhaps suggesting more efficient AR modulation with practice in isolating letters during reading. Struggling readers accumulate progressively less reading exposure over time than do typical readers, and also require wider letter spacing to reach optimal reading speed, potentially indicating an efficiency-based AR deficit linked to limited reading exposure in struggling readers. AR precision and efficiency were studied in 201 children varying in reading ability in Grades 2 and 6 using a dot-tracking task. Children were asked to track and subsequently identify a target dot after it moved among visually identical distractor dots, passing the distractors at different distances (precision) and speeds (efficiency). Across grade and reader groups, relative dot-tracking accuracies across distance and speed conditions indicated additive effects of precision and efficiency manipulations on tracking performance. Reader group analyses pointed toward a general developmental delay of AR modulation in struggling readers, who performed consistently more poorly than better-able readers in their own age group regardless of distance or speed condition. Grade 6 struggling readers outperformed reading-age-matched participants in Grade 2, suggesting that chronological age was a stronger predictor of AR modulation than was reading exposure. Reader group differences are discussed in light of exploratory analyses on reading-related factors found to predict AR task performance.
Advisors/Committee Members: Kruk, Richard (Psychology) (supervisor), Jakobson, Lorna (Psychology) (examiningcommittee), Taylor, Nicole (Clinical Health Psychology) (examiningcommittee).
Subjects/Keywords: Development; Reading disability; Visual attention; Spatial resolution; Efficiency
Record Details
Similar Records
Cite
Share »
Record Details
Similar Records
Cite
« Share
❌
APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Hildebrand, K. D. (2019). Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?. (Masters Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/33854
Chicago Manual of Style (16th Edition):
Hildebrand, Kerri D. “Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?.” 2019. Masters Thesis, University of Manitoba. Accessed April 04, 2020.
http://hdl.handle.net/1993/33854.
MLA Handbook (7th Edition):
Hildebrand, Kerri D. “Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?.” 2019. Web. 04 Apr 2020.
Vancouver:
Hildebrand KD. Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?. [Internet] [Masters thesis]. University of Manitoba; 2019. [cited 2020 Apr 04].
Available from: http://hdl.handle.net/1993/33854.
Council of Science Editors:
Hildebrand KD. Attention resolution efficiency in children varying in reading ability and age: can better readers who are older “find Waldo” the fastest?. [Masters Thesis]. University of Manitoba; 2019. Available from: http://hdl.handle.net/1993/33854
◁ [1] [2] [3] [4] [5] ▶
. 
Open Access Theses and Dissertations
