subject:(visual search)

University of Illinois – Urbana-Champaign

1. Madison, Anna M. The role of crowding in parallel search.

Degree: MA, Psychology, 2016, University of Illinois – Urbana-Champaign

► Crowding is the deleterious effect of nearby objects on object recognition in the peripheral (Pelli, 2008). In three visual search experiments the contribution of visual… (more)

▼ Crowding is the deleterious effect of nearby objects on object recognition in the peripheral (Pelli, 2008). In three visual search experiments the contribution of visual crowding to reaction time performance in an efficient search task was evaluated by varying the factors known to affect the strength of crowding: spacing between objects and similarity. Traditionally, pop-out search is believed to isolate the first stage of visual processing and has been characterized as producing shallow search slopes (<10 ms/item), which are independent of set size. Recent results from our lab suggest discrimination pop-out search has a logarithmic relationship between reaction time and set size, which is modulated by the lure-target similarity (Buetti et al., in press). These results have been interpreted as resulting from the first stage of visual processing that is exhaustive, unlimited-in-capacity and resolution limited. Items sufficiently dissimilar to the target are rejected by stage-one processing, and items sufficiently similar to the target are inspected with focused attention. Here we ask if the limitation in resolution in stage-one processing is a result of crowding and evaluate the contribution of crowding to our previous logarithmic search slope findings. In three experiments reaction time performance was compared on two possible display types which differed in the spatial arrangements. The results from three experiments converge on the same pattern of results: reaction times increased logarithmically with set size and were modulated by lure-target similarity for both display types. Advisors/Committee Members: search?q=%2Bpublisher%3A%22University%20of%20Illinois%26%23160%3B%26%238211%3B%20Urbana-Champaign%22%20%2Bcontributor%3A%28%22Buetti%2C%20Simona%20L%22%29&pagesize-30">Buetti, Simona L (advisor), search?q=%2Bpublisher%3A%22University%20of%20Illinois%26%23160%3B%26%238211%3B%20Urbana-Champaign%22%20%2Bcontributor%3A%28%22Lleras%2C%20Alejandro%22%29&pagesize-30">Lleras, Alejandro (advisor).

Subjects/Keywords: efficient search; visual search; crowding

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APA (6^th Edition):

Madison, A. M. (2016). The role of crowding in parallel search. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/90853

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Madison, Anna M. “The role of crowding in parallel search.” 2016. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/90853.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Madison, Anna M. “The role of crowding in parallel search.” 2016. Web. 16 Sep 2019.

Vancouver:

Madison AM. The role of crowding in parallel search. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2016. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/90853.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Madison AM. The role of crowding in parallel search. [Thesis]. University of Illinois – Urbana-Champaign; 2016. Available from: http://hdl.handle.net/2142/90853

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Waterloo

2. Malcolmson, Kelly. Towards a Theory of Visual Concealment.

Degree: 2010, University of Waterloo

URL: http://hdl.handle.net/10012/5394

► The goal of this dissertation is to take initial steps towards understanding concealment behaviour and ultimately developing a theory of visual concealment. Since there are… (more)

▼ The goal of this dissertation is to take initial steps towards understanding concealment behaviour and ultimately developing a theory of visual concealment. Since there are relatively few studies of concealment in the literature and given the natural relationship between search and concealment, five strategies used in the development of traditional visual search theory and scene-based search theory were applied to the study of concealment. These strategies are: 1) establish a methodology, 2) identify dimensions, 3) categorize dimensions, 4) prioritize dimensions, and 5) integrate results into a theoretical framework that may involve inferences about the mechanisms involved. In Chapter 2, participants placed target objects within luggage in locations that were easy or hard to find (i.e., the placement task). Participants’ subjective reports of their thought processes and strategies were analyzed to identify dimensions that are important during concealment in real-world settings. Once a list of dimensions was generated, the dimensions were then categorized into three categories: Stimulus Properties dimensions such as visual similarity, Embodiment dimensions such as confrontation, and Higher Order dimensions such as schema. In Chapter 3, the dimensions uncovered in Chapter 2 were used in a forced-choice task, and participants’ choices were evaluated to determine whether the dimensions affected hiding behaviour. To further develop the methodological techniques available to study concealment behaviour and to examine the generalizability of previous findings, in Chapter 4, the placement task was used in another context – an office environment – and the locations chosen by participants to make objects easy or hard to find were coded on relevant dimensions. In Chapter 5, an initial attempt was made to prioritize the dimensions. The forced-choice task was used in a new way to explore the relative importance of the dimensions by examining which dimensions participants chose to use over other dimensions. Finally in the General Discussion in Chapter 6, an attempt was made to integrate available results and previous theories and to make inferences about the mechanisms involved in visual concealment. Methodological considerations and future directions for the study of visual concealment are also discussed.

Subjects/Keywords: visual concealment; hiding; visual search

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APA (6^th Edition):

Malcolmson, K. (2010). Towards a Theory of Visual Concealment. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/5394

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Malcolmson, Kelly. “Towards a Theory of Visual Concealment.” 2010. Thesis, University of Waterloo. Accessed September 16, 2019. http://hdl.handle.net/10012/5394.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Malcolmson, Kelly. “Towards a Theory of Visual Concealment.” 2010. Web. 16 Sep 2019.

Vancouver:

Malcolmson K. Towards a Theory of Visual Concealment. [Internet] [Thesis]. University of Waterloo; 2010. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/10012/5394.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Malcolmson K. Towards a Theory of Visual Concealment. [Thesis]. University of Waterloo; 2010. Available from: http://hdl.handle.net/10012/5394

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Queens University

3. Witherspoon, Richelle. Effects of Object Function on Visual Search in Real-World Scenes .

Degree: Psychology, 2012, Queens University

URL: http://hdl.handle.net/1974/7437

► Our everyday interactions with the world are subject to affordance: the interaction that exists naturally between an object and the action possibilities inherent within it.… (more)

▼ Our everyday interactions with the world are subject to affordance: the interaction that exists naturally between an object and the action possibilities inherent within it. Object affordances result from complex visuomotor interactions and are reflected in many processes, including reaching and grasping behaviours, distance judgments, and object identification. With the present study we extended current research on the use of affordances in visual searches of arrays to investigate whether guidance by affordance occurs in searches of real-world scenes and is the result of knowledge of target function (Experiment 1), and whether it is integrated with the use of scene context in guidance of search (Experiment 2). To investigate the contribution of object function to guidance by affordance in real-world scenes we tracked participants’ eye movements while they performed visual searches. The target objects were invented objects with invented functions that were learned by the participants prior to beginning search. By providing participants with information about only the features and functions of targets (and not about location) we omitted any effects on search from previously learned associations between the objects and their locations in the scene. This allowed us to examine guidance by affordance independently of traditional contextual effects. In Experiment 1 we compared the searches of participants who learned the functions of the targets to those who learned only the targets’ features. Results showed facilitation of visual search by knowledge of target function as compared against searches in which target function was not known. Experiment 2 compared searches for objects placed in locations congruent and incongruent with their function to show that guidance by affordance is benefitted by knowledge of target function in congruent searches. We concluded that guidance by affordance results from an understanding of the function of an object and the integration of that understanding into an understanding of the context of the scene as a whole

Subjects/Keywords: visual-search; affordance

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Witherspoon, R. (2012). Effects of Object Function on Visual Search in Real-World Scenes . (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/7437

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Witherspoon, Richelle. “Effects of Object Function on Visual Search in Real-World Scenes .” 2012. Thesis, Queens University. Accessed September 16, 2019. http://hdl.handle.net/1974/7437.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Witherspoon, Richelle. “Effects of Object Function on Visual Search in Real-World Scenes .” 2012. Web. 16 Sep 2019.

Vancouver:

Witherspoon R. Effects of Object Function on Visual Search in Real-World Scenes . [Internet] [Thesis]. Queens University; 2012. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1974/7437.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Witherspoon R. Effects of Object Function on Visual Search in Real-World Scenes . [Thesis]. Queens University; 2012. Available from: http://hdl.handle.net/1974/7437

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Edinburgh

4. Fraser, Louise. The visual span: Identifying span size during object search in real-world scenes.

Degree: 2011, University of Edinburgh

URL: http://hdl.handle.net/1842/6111

► The visual span during object search in real-world scenes was investigated using the ‘moving window’ experimental paradigm. A repeated measures design was used in which… (more)

Subjects/Keywords: Visual span; object search

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Fraser, L. (2011). The visual span: Identifying span size during object search in real-world scenes. (Thesis). University of Edinburgh. Retrieved from http://hdl.handle.net/1842/6111

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Fraser, Louise. “The visual span: Identifying span size during object search in real-world scenes.” 2011. Thesis, University of Edinburgh. Accessed September 16, 2019. http://hdl.handle.net/1842/6111.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Fraser, Louise. “The visual span: Identifying span size during object search in real-world scenes.” 2011. Web. 16 Sep 2019.

Vancouver:

Fraser L. The visual span: Identifying span size during object search in real-world scenes. [Internet] [Thesis]. University of Edinburgh; 2011. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1842/6111.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Fraser L. The visual span: Identifying span size during object search in real-world scenes. [Thesis]. University of Edinburgh; 2011. Available from: http://hdl.handle.net/1842/6111

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Illinois – Urbana-Champaign

5. Cronin, Deborah Ann. The Information Theory of Vision: evidence from eye-movements.

Degree: MA, Psychology, 2015, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/88995

► Recent evidence suggests that target-dissimilar items that are typically regarded as irrelevant to reaction times during visual search do, in fact, affect reaction times (Buetti… (more)

Subjects/Keywords: Visual search; eye-movements

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Cronin, D. A. (2015). The Information Theory of Vision: evidence from eye-movements. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/88995

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Cronin, Deborah Ann. “The Information Theory of Vision: evidence from eye-movements.” 2015. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/88995.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Cronin, Deborah Ann. “The Information Theory of Vision: evidence from eye-movements.” 2015. Web. 16 Sep 2019.

Vancouver:

Cronin DA. The Information Theory of Vision: evidence from eye-movements. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2015. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/88995.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Cronin DA. The Information Theory of Vision: evidence from eye-movements. [Thesis]. University of Illinois – Urbana-Champaign; 2015. Available from: http://hdl.handle.net/2142/88995

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Illinois – Urbana-Champaign

6. Yamani, Yusuke. Visual search asymmetries in complex geophysical displays.

Degree: MS, 3530, 2010, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/16793

► Electronic displays such as geophysical maps can become heavily cluttered (e.g. Lohrenz, Trafton, Beck, & Gendron, 2009), hindering operators??? accurate detection of task-critical information. The… (more)

Subjects/Keywords: Visual search; Attention; Complex display

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Yamani, Y. (2010). Visual search asymmetries in complex geophysical displays. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/16793

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Yamani, Yusuke. “Visual search asymmetries in complex geophysical displays.” 2010. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/16793.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Yamani, Yusuke. “Visual search asymmetries in complex geophysical displays.” 2010. Web. 16 Sep 2019.

Vancouver:

Yamani Y. Visual search asymmetries in complex geophysical displays. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2010. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/16793.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Yamani Y. Visual search asymmetries in complex geophysical displays. [Thesis]. University of Illinois – Urbana-Champaign; 2010. Available from: http://hdl.handle.net/2142/16793

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Guelph

7. Trick, Lana. Enumeration of Illusory Contours .

Degree: 2014, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8504

► Visual search and enumeration tasks were used to assess the attentional demands of processing illusory contour figures (figures composed of contours that are perceived despite… (more)

▼ Visual search and enumeration tasks were used to assess the attentional demands of processing illusory contour figures (figures composed of contours that are perceived despite there being no physical changes in the scene). In all tasks, participants were required to find or enumerate a vertical rectangle(s) defined by either line-endings or “pacmen” figures (Kanizsa class). Search time for line-end class figures did not increase markedly as the number of horizontal distractors increased (efficient search). In contrast, when searching for Kanizsa targets amid horizontal distractors, search was inefficient. Simple enumeration (enumeration of targets) and selective enumeration (enumeration of targets in distractors) tasks were used to disambiguate two stages of figure processing: individuation and shape discrimination. Specifically, simple enumeration was used to assess the attentional demands of unit formation and individuation (defining a unit as unique and separate from everything else) of the objects and selective enumeration measured the attentional demands required to discriminate target shapes from distractor shapes. Participants enumerated 1-9 vertical real or illusory contour rectangles either without distractors or with 4 or 8 horizontal distractors. Subitizing, a fast (40-100 ms/target) process specialized for small numbers of items (e.g. 1-3), is only evident when enumeration makes low attentional demands; when attentional demands are greater, the same slow process is used throughout the number range (e.g. 200+ ms/target in the 1-8 range, Trick & Pylyshyn, 1994). Both line-end and Kanizsa class real and illusory contour figures were subitized in simple enumeration, indicating that individuation of these figures is not attentionally demanding. However, subitizing was only evident for line-end real-contour figures in selective enumeration. This suggests that attention plays a role in defining shapes formed by illusory contours. These findings contribute to our understanding of both illusory contours and enumeration. Advisors/Committee Members: search?q=%2Bpublisher%3A%22University%20of%20Guelph%22%20%2Bcontributor%3A%28%22Trick%2C%20Lana%22%29&pagesize-30">Trick, Lana (advisor).

Subjects/Keywords: enumeration; illusory contour; visual search

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APA (6^th Edition):

Trick, L. (2014). Enumeration of Illusory Contours . (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8504

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Trick, Lana. “Enumeration of Illusory Contours .” 2014. Thesis, University of Guelph. Accessed September 16, 2019. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8504.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Trick, Lana. “Enumeration of Illusory Contours .” 2014. Web. 16 Sep 2019.

Vancouver:

Trick L. Enumeration of Illusory Contours . [Internet] [Thesis]. University of Guelph; 2014. [cited 2019 Sep 16]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8504.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Trick L. Enumeration of Illusory Contours . [Thesis]. University of Guelph; 2014. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/8504

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Western Australia

8. Almeida, Renita A. An analysis of embedded figures test performance in individuals with austistic-like traits.

Degree: PhD, 2011, University of Western Australia

URL: http://repository.uwa.edu.au:80/R/?func=dbin-jump-full&object_id=31027&local_base=GEN01-INS01

►

[Truncated abstract] The Embedded Figures Test (EFT; Witkin, Oltman, Raskin, & Karp, 1971) is a search task that involves detecting a simple closed-contour shape hidden… (more)

▼

[Truncated abstract] The Embedded Figures Test (EFT; Witkin, Oltman, Raskin, & Karp, 1971) is a search task that involves detecting a simple closed-contour shape hidden within a complex structure. Individuals with an autism spectrum disorder (ASD) are faster detecting embedded figures relative to typically developing controls (de Jonge, Kemner, & van Engeland, 2006; Jarrold, Gilchrist, & Bender, 2005; Jolliffe & Baron-Cohen, 1997; Pellicano, Gibson, Maybery, Durkin, & Badcock, 2005). Superior EFT performance is not only observed in ASD groups relative to controls; those in the typically developing population with high levels of autistic-like traits also demonstrate enhanced performance relative to those with low levels of such traits (Grinter, Maybery et al., 2009; Grinter, Van Beek, Maybery, & Badcock, 2009; Russell-Smith, Maybery, & Bayliss, 2010). Examining individuals in these latter groups can be a useful method to extend current knowledge of complex ASDs by avoiding confounds such as co-morbidity associated with ASD samples. While enhanced EFT performance linked to autism has been repeatedly observed, it is not clear what underlying mechanism(s) allow(s) for such superiority. The aim of this thesis was to examine which specific aspects of the stimuli employed in the EFT are critical to enable superior visual search performance by those with high levels of autistic-like traits. Four series of experiments compared performance of groups of individuals with either high or low levels of autistic-like characteristics, as determined by the Autism-Spectrum Quotient (AQ; Baron-Cohen, Wheelwright, Skinner, Martin, & Clubley, 2001), on the EFT and on a number of novel visual tasks designed to systematically investigate potential critical components of the EFT.

The first series, reported in Chapter Two, introduced a basic search task which contained radial frequency (RF) patterns as stimuli. RF patterns are deformed circular closed-contours created by sinusoidally modulating the radius of a circle, where the number of cycles of modulation defines the RF number. The EFT simple target shapes are closed-contours, and because considerable recent work on discrimination of closed-contours has utilised RF patterns, employing these well-defined shapes may aid clarification of the underlying processes. The task was to detect a target RF3 (triangular-shaped) pattern from an array of spatially discrete distracter RF4 (square-like) patterns. The number of distracter RF patterns was varied to provide a measure of visual search performance, specified as the change in reaction time (RT) with increasing set size (SS), commonly referred to as the gradient or slope of the linear function. Overlap of elements, one component of the EFT, was introduced to determine whether it was critical to the high AQ search advantage. Increasing overlap of elements reduced search efficiency of both groups in a systematic way, but the relative difference between the two groups gradients remained the same. The high AQ group were faster overall and had a…

Subjects/Keywords: Visual search; Visual performance; Autism; Form perception

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APA (6^th Edition):

Almeida, R. A. (2011). An analysis of embedded figures test performance in individuals with austistic-like traits. (Doctoral Dissertation). University of Western Australia. Retrieved from http://repository.uwa.edu.au:80/R/?func=dbin-jump-full&object_id=31027&local_base=GEN01-INS01

Chicago Manual of Style (16^th Edition):

Almeida, Renita A. “An analysis of embedded figures test performance in individuals with austistic-like traits.” 2011. Doctoral Dissertation, University of Western Australia. Accessed September 16, 2019. http://repository.uwa.edu.au:80/R/?func=dbin-jump-full&object_id=31027&local_base=GEN01-INS01.

MLA Handbook (7^th Edition):

Almeida, Renita A. “An analysis of embedded figures test performance in individuals with austistic-like traits.” 2011. Web. 16 Sep 2019.

Vancouver:

Almeida RA. An analysis of embedded figures test performance in individuals with austistic-like traits. [Internet] [Doctoral dissertation]. University of Western Australia; 2011. [cited 2019 Sep 16]. Available from: http://repository.uwa.edu.au:80/R/?func=dbin-jump-full&object_id=31027&local_base=GEN01-INS01.

Council of Science Editors:

Almeida RA. An analysis of embedded figures test performance in individuals with austistic-like traits. [Doctoral Dissertation]. University of Western Australia; 2011. Available from: http://repository.uwa.edu.au:80/R/?func=dbin-jump-full&object_id=31027&local_base=GEN01-INS01

University of Sydney

9. Kong, Garry. An Investigation of Complex Visual Search With The Genetic Algorithm .

Degree: 2016, University of Sydney

URL: http://hdl.handle.net/2123/16326

► Visual search is an everyday task, defined as the search for a target amongst distractors. Visual search has historically been thought to reflect primarily early… (more)

Subjects/Keywords: visual search; genetic algorithm; visual cognition; attention

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kong, G. (2016). An Investigation of Complex Visual Search With The Genetic Algorithm . (Thesis). University of Sydney. Retrieved from http://hdl.handle.net/2123/16326

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kong, Garry. “An Investigation of Complex Visual Search With The Genetic Algorithm .” 2016. Thesis, University of Sydney. Accessed September 16, 2019. http://hdl.handle.net/2123/16326.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kong, Garry. “An Investigation of Complex Visual Search With The Genetic Algorithm .” 2016. Web. 16 Sep 2019.

Vancouver:

Kong G. An Investigation of Complex Visual Search With The Genetic Algorithm . [Internet] [Thesis]. University of Sydney; 2016. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2123/16326.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kong G. An Investigation of Complex Visual Search With The Genetic Algorithm . [Thesis]. University of Sydney; 2016. Available from: http://hdl.handle.net/2123/16326

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Mississippi State University

10. Antonelli, Karla B. Episodically defined categories in the organization of visual memory.

Degree: PhD, Psychology, 2014, Mississippi State University

URL: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10312014-091845/ ;

► Research into the nature and content of visual long-term memory has investigated what aspects of its representation may account for the remarkable ability we… (more)

▼ Research into the nature and content of visual long-term memory has investigated what aspects of its representation may account for the remarkable ability we have to remember large amounts of detailed visual information. One theory proposed is that visual memories are supported by an underlying structure of conceptual knowledge around which visual information is organized. However, findings in memory for visual information learned in a visual search task were not explained by this theory of conceptual support, and a new theory is proposed that incorporates the importance of episodic, task-relevant visual information into the organizational structure of visual memory. The current study examined visual long-term memory organization as evidenced by retroactive interference effects in memory for objects learned in a visual search. Four experiments were conducted to examine the amount of retroactive interference induced based on aspects in which interfering objects were related to learned objects. Specifically, episodically task-relevant information about objects was manipulated between conditions based on search instructions. Aspects of conceptual category, perceptual information (color), and context (object role in search) were examined for their contribution to retroactive interference for learned objects. Findings indicated that when made episodically task-relevant, perceptual, as well as conceptual, information contributed to the organization of visual long-term memory. However, when made episodically non-relevant, perceptual information did not contribute to memory organization, and memory defaulted to conceptual category organization. This finding supports the theory of an episodically defined organizational structure in visual long-term memory that is overlaid upon an underlying conceptual structure. Advisors/Committee Members: search?q=%2Bpublisher%3A%22Mississippi%20State%20University%22%20%2Bcontributor%3A%28%22Gary%20L.%20Bradshaw%22%29&pagesize-30">Gary L. Bradshaw (committee member), search?q=%2Bpublisher%3A%22Mississippi%20State%20University%22%20%2Bcontributor%3A%28%22Lesley%20Strawderman%22%29&pagesize-30">Lesley Strawderman (committee member), search?q=%2Bpublisher%3A%22Mississippi%20State%20University%22%20%2Bcontributor%3A%28%22Deborah%20K.%20Eakin%22%29&pagesize-30">Deborah K. Eakin (committee member), search?q=%2Bpublisher%3A%22Mississippi%20State%20University%22%20%2Bcontributor%3A%28%22Carrick%20C.%20Williams%22%29&pagesize-30">Carrick C. Williams (chair).

Subjects/Keywords: categorization; retroactive interference; visual search; visual memory

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Antonelli, K. B. (2014). Episodically defined categories in the organization of visual memory. (Doctoral Dissertation). Mississippi State University. Retrieved from http://sun.library.msstate.edu/ETD-db/theses/available/etd-10312014-091845/ ;

Chicago Manual of Style (16^th Edition):

Antonelli, Karla B. “Episodically defined categories in the organization of visual memory.” 2014. Doctoral Dissertation, Mississippi State University. Accessed September 16, 2019. http://sun.library.msstate.edu/ETD-db/theses/available/etd-10312014-091845/ ;.

MLA Handbook (7^th Edition):

Antonelli, Karla B. “Episodically defined categories in the organization of visual memory.” 2014. Web. 16 Sep 2019.

Vancouver:

Antonelli KB. Episodically defined categories in the organization of visual memory. [Internet] [Doctoral dissertation]. Mississippi State University; 2014. [cited 2019 Sep 16]. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10312014-091845/ ;.

Council of Science Editors:

Antonelli KB. Episodically defined categories in the organization of visual memory. [Doctoral Dissertation]. Mississippi State University; 2014. Available from: http://sun.library.msstate.edu/ETD-db/theses/available/etd-10312014-091845/ ;

University of Illinois – Urbana-Champaign

11. Chu, Hengqing. Towards a better understanding of prioritization of visual information during preview search.

Degree: MA, 0338, 2011, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/18505

► In visual search tasks, if a subset of the search items (without the target) is presented at least 400 ms before the full set is… (more)

▼ In visual search tasks, if a subset of the search items (without the target) is presented at least 400 ms before the full set is in view, visual search efficiency is improved as if only the second set of items had been searched. This phenomenon is known as visual marking, and is thought to reflect both inhibitory-tagging of old previewed items and prioritization of the new items due to their more recent (and distinct) onset. This study investigates the nature of this inhibitory-tagging in two perspectives. Part I investigates whether this inhibitory-tagging is location-based or feature-based. Subjects searched for a sideway T among Ls of identical color and regular Ts and upside-down Ts of a second color, and reported the orientation of the target T. In addition, to eliminate the contribution of bottom-up attentional capture by the onset of the second set of items, we included a 200ms blank display between the initial preview and the final search display. In five experiments, we demonstrated that the preview benefit relies preferentially on feature-based inhibitory tagging (Experiments 1-3), even when location-based information is available and can be used to improve search efficiency (Experiments 4 and 5). The results are discussed in the context of processing economies and provide strong evidence that the mechanisms underlying the preview benefit are very sensitive to the experimental context in which the preview search is investigated. Part II investigates whether this inhibitory-tagging can be semantically mediated. In four experiments, we demonstrated that previewing a color blob indicating either target color or distractor color (Experiment 6 and 7) can also produce a preview benefit, and previewing target color is equivalent to previewing half of the distractors. When the previewed color information is further abstracted to semantic level by showing a word cue which indicates either distractor color or target color (Experiment 8 and 9) , this preview benefit is even stronger. In fact, previewing target color information produces the same benefits in terms of RTs as previewing half of the distractors. This is not true for previewing distractor color information. In summary, the results suggest that in visual search, prioritizing visual information is flexible and higher search efficiency can be achieved from different sources. Advisors/Committee Members: search?q=%2Bpublisher%3A%22University%20of%20Illinois%26%23160%3B%26%238211%3B%20Urbana-Champaign%22%20%2Bcontributor%3A%28%22Lleras%2C%20Alejandro%22%29&pagesize-30">Lleras, Alejandro (advisor).

Subjects/Keywords: Visual Search; Visual Marking; Preview Benefit

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Chu, H. (2011). Towards a better understanding of prioritization of visual information during preview search. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/18505

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Chu, Hengqing. “Towards a better understanding of prioritization of visual information during preview search.” 2011. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/18505.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Chu, Hengqing. “Towards a better understanding of prioritization of visual information during preview search.” 2011. Web. 16 Sep 2019.

Vancouver:

Chu H. Towards a better understanding of prioritization of visual information during preview search. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2011. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/18505.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Chu H. Towards a better understanding of prioritization of visual information during preview search. [Thesis]. University of Illinois – Urbana-Champaign; 2011. Available from: http://hdl.handle.net/2142/18505

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Oxford

12. Thomas, Sally. Searching over time : a study of attention using preview search.

Degree: PhD, 2019, University of Oxford

URL: http://ora.ox.ac.uk/objects/uuid:d3f49d7f-77e6-4b6b-b1a1-15e6020d7fae ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.780796

► Attention is the mechanism that enables us to process the sensory information most relevant to our current goals. As our most dominant sense, the way… (more)

Subjects/Keywords: Attention; Visual Attention; Preview search; Visual marking

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Thomas, S. (2019). Searching over time : a study of attention using preview search. (Doctoral Dissertation). University of Oxford. Retrieved from http://ora.ox.ac.uk/objects/uuid:d3f49d7f-77e6-4b6b-b1a1-15e6020d7fae ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.780796

Chicago Manual of Style (16^th Edition):

Thomas, Sally. “Searching over time : a study of attention using preview search.” 2019. Doctoral Dissertation, University of Oxford. Accessed September 16, 2019. http://ora.ox.ac.uk/objects/uuid:d3f49d7f-77e6-4b6b-b1a1-15e6020d7fae ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.780796.

MLA Handbook (7^th Edition):

Thomas, Sally. “Searching over time : a study of attention using preview search.” 2019. Web. 16 Sep 2019.

Vancouver:

Thomas S. Searching over time : a study of attention using preview search. [Internet] [Doctoral dissertation]. University of Oxford; 2019. [cited 2019 Sep 16]. Available from: http://ora.ox.ac.uk/objects/uuid:d3f49d7f-77e6-4b6b-b1a1-15e6020d7fae ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.780796.

Council of Science Editors:

Thomas S. Searching over time : a study of attention using preview search. [Doctoral Dissertation]. University of Oxford; 2019. Available from: http://ora.ox.ac.uk/objects/uuid:d3f49d7f-77e6-4b6b-b1a1-15e6020d7fae ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.780796

Universiteit Utrecht

13. Bajlekov, G.I. Theories of Visual Search and Their Applicability to Haptic Search.

Degree: 2012, Universiteit Utrecht

URL: http://dspace.library.uu.nl:8080/handle/1874/258459

► In this review, the current status of search studies in both the visual and haptic modality is discussed, with an aim to assess the similarity… (more)

▼ In this review, the current status of search studies in both the visual and haptic modality is discussed, with an aim to assess the similarity of the processes involved. While recent models of visual search propose differing mechanisms explaining experimental results, it is generally agreed on that the search process consists of a pre-attentive parallel stage and an attentive serial stage. During the pre-attentive stage, basic features are examined and the information is used to guide attention towards salient items during the attentive stage, improving the efficiency of the search process. Using such models, average response times can be predicted accurately in a wide range of experimental settings. However, modeled response time distributions often do not correspond to experimental data, indicating that many current models of visual search are incomplete. Other points of discussion still remain, such as the cause of asymmetric behaviours with symmetric task designs, and the exact mechanism of top-down control. The haptic modality of search has been studied less extensively than the visual one. Haptic experiments exhibit behaviours similar to visual search, with search efficiency dependent on target and distractor features in the same way as described for visual search. Discrepancies observed between visual and haptic search are often due to suboptimally matched stimuli between the two modalities. Due to the differences in feature dimensions, spatial constrains and experimental methods, such comparisons are difficult, and results of recent studies are not conclusive. There are, however, indications that search data are at least in part exchangeable between visual and haptic processes. Advisors/Committee Members: search?q=%2Bpublisher%3A%22Universiteit%20Utrecht%22%20%2Bcontributor%3A%28%22Bergmann%20Tiest%2C%20W.M.%22%29&pagesize-30">Bergmann Tiest, W.M., search?q=%2Bpublisher%3A%22Universiteit%20Utrecht%22%20%2Bcontributor%3A%28%22van%20Wezel%2C%20R.J.A%22%29&pagesize-30">van Wezel, R.J.A.

Subjects/Keywords: visual search; haptic search; pop out; guided search

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bajlekov, G. I. (2012). Theories of Visual Search and Their Applicability to Haptic Search. (Masters Thesis). Universiteit Utrecht. Retrieved from http://dspace.library.uu.nl:8080/handle/1874/258459

Chicago Manual of Style (16^th Edition):

Bajlekov, G I. “Theories of Visual Search and Their Applicability to Haptic Search.” 2012. Masters Thesis, Universiteit Utrecht. Accessed September 16, 2019. http://dspace.library.uu.nl:8080/handle/1874/258459.

MLA Handbook (7^th Edition):

Bajlekov, G I. “Theories of Visual Search and Their Applicability to Haptic Search.” 2012. Web. 16 Sep 2019.

Vancouver:

Bajlekov GI. Theories of Visual Search and Their Applicability to Haptic Search. [Internet] [Masters thesis]. Universiteit Utrecht; 2012. [cited 2019 Sep 16]. Available from: http://dspace.library.uu.nl:8080/handle/1874/258459.

Council of Science Editors:

Bajlekov GI. Theories of Visual Search and Their Applicability to Haptic Search. [Masters Thesis]. Universiteit Utrecht; 2012. Available from: http://dspace.library.uu.nl:8080/handle/1874/258459

14. Chang, Junha. SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY.

Degree: 2017, University of Massachusetts

URL: https://scholarworks.umass.edu/masters_theses_2/570

► Several recent studies show that previous experience can influence observers’ search strategy in a way that improves search performance. The purpose of the present… (more)

Subjects/Keywords: Visual search; search template; search discriminability; Cognitive Psychology

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Chang, J. (2017). SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY. (Thesis). University of Massachusetts. Retrieved from https://scholarworks.umass.edu/masters_theses_2/570

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Chang, Junha. “SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY.” 2017. Thesis, University of Massachusetts. Accessed September 16, 2019. https://scholarworks.umass.edu/masters_theses_2/570.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Chang, Junha. “SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY.” 2017. Web. 16 Sep 2019.

Vancouver:

Chang J. SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY. [Internet] [Thesis]. University of Massachusetts; 2017. [cited 2019 Sep 16]. Available from: https://scholarworks.umass.edu/masters_theses_2/570.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Chang J. SEARCH GUIDANCE CAN BE ADJUSTED BY EXPERIENCE WITH SEARCH DISCRIMINABILITY. [Thesis]. University of Massachusetts; 2017. Available from: https://scholarworks.umass.edu/masters_theses_2/570

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Wright State University

15. Maeda, Satomi. Attentional Limitations and the Visual Pathways.

Degree: PhD, Human Factors and Industrial/Organizational Psychology PhD, 2009, Wright State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=wright1244773263

► The present study tested the hypothesis that three visual pathways (i.e. parvocellular, magnocellular, and koniocellular pathways) may influence the degree of dual-task interference using dual-task… (more)

▼ The present study tested the hypothesis that three visual pathways (i.e. parvocellular, magnocellular, and koniocellular pathways) may influence the degree of dual-task interference using dual-task methodology. The magnocellular pathway consists of feature-coding mechanisms that are sensitive to transients and motion, and is thought to process information about the locations and movements of objects. The parvocellular pathway consists of feature-coding mechanisms that are sensitive to red-green and brightness information, while the koniocellular pathway consists of feature-coding mechanisms that are sensitive to blue-yellow chromatic information. Both the parvocellular and the koniocellular pathway are thought to process information useful for identifying objects. The hypothesis predicted that engaging in two search tasks that were mediated by feature-coding mechanisms in two different pathways would result in less dual-task interference in performance than two tasks that were mediated by feature-coding mechanisms in the same pathway. Magnocellular stimuli were defined by brief luminance transients and motion, and parvocellular and koniocellular stimuli were defined by color. The most interference was observed for task pairs that were different in nature and mediated in one pathway. Two tasks mediated by the two different pathways resulted in a small interference, while two identical task pairs mediated by one pathway resulted in no dual-task interference. No significant negative contingency was observed in any task pair. Dual-task interference consistent with a sampling model (e.g. Bonnel et al., 1992) and an independence model (e.g. Morrone et al., 2002 and 2004) were observed. No task pairs produced dual-task interference consistent with the prediction of a switching model (e.g. Duncan, 1996). Advisors/Committee Members: search?q=%2Bpublisher%3A%22Wright%20State%20University%22%20%2Bcontributor%3A%28%22Nagy%2C%20Allen%22%29&pagesize-30">Nagy, Allen (Committee Chair).

Subjects/Keywords: Psychology; visual attention; visual pathways; visual search; divided attention; dual-task

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Maeda, S. (2009). Attentional Limitations and the Visual Pathways. (Doctoral Dissertation). Wright State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=wright1244773263

Chicago Manual of Style (16^th Edition):

Maeda, Satomi. “Attentional Limitations and the Visual Pathways.” 2009. Doctoral Dissertation, Wright State University. Accessed September 16, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=wright1244773263.

MLA Handbook (7^th Edition):

Maeda, Satomi. “Attentional Limitations and the Visual Pathways.” 2009. Web. 16 Sep 2019.

Vancouver:

Maeda S. Attentional Limitations and the Visual Pathways. [Internet] [Doctoral dissertation]. Wright State University; 2009. [cited 2019 Sep 16]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=wright1244773263.

Council of Science Editors:

Maeda S. Attentional Limitations and the Visual Pathways. [Doctoral Dissertation]. Wright State University; 2009. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=wright1244773263

Rice University

16. Orsten, Kimberley D. False Pop Out.

Degree: PhD, Social Sciences, 2015, Rice University

URL: http://hdl.handle.net/1911/88369

► A single, unique target often pops out quickly and efficiently from a field of homogenous distractors in visual search. Pop out has helped shape theories… (more)

Subjects/Keywords: visual search; visual attention; visual perception; Gestalts; features; pop out

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APA (6^th Edition):

Orsten, K. D. (2015). False Pop Out. (Doctoral Dissertation). Rice University. Retrieved from http://hdl.handle.net/1911/88369

Chicago Manual of Style (16^th Edition):

Orsten, Kimberley D. “False Pop Out.” 2015. Doctoral Dissertation, Rice University. Accessed September 16, 2019. http://hdl.handle.net/1911/88369.

MLA Handbook (7^th Edition):

Orsten, Kimberley D. “False Pop Out.” 2015. Web. 16 Sep 2019.

Vancouver:

Orsten KD. False Pop Out. [Internet] [Doctoral dissertation]. Rice University; 2015. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1911/88369.

Council of Science Editors:

Orsten KD. False Pop Out. [Doctoral Dissertation]. Rice University; 2015. Available from: http://hdl.handle.net/1911/88369

University of Edinburgh

17. Mejia-Ramirez, Manuel. Effect of practice on perceptual load.

Degree: 2013, University of Edinburgh

URL: http://hdl.handle.net/1842/8832

► Within attention studies, Lavie's load theory (Lavie & Tsal, 1994; Lavie, Hirst, de Fockert, & Viding, 2004) presented an account that could settle the question… (more)

Subjects/Keywords: perceptual load; attention; practice; visual search task

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APA (6^th Edition):

Mejia-Ramirez, M. (2013). Effect of practice on perceptual load. (Thesis). University of Edinburgh. Retrieved from http://hdl.handle.net/1842/8832

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Mejia-Ramirez, Manuel. “Effect of practice on perceptual load.” 2013. Thesis, University of Edinburgh. Accessed September 16, 2019. http://hdl.handle.net/1842/8832.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Mejia-Ramirez, Manuel. “Effect of practice on perceptual load.” 2013. Web. 16 Sep 2019.

Vancouver:

Mejia-Ramirez M. Effect of practice on perceptual load. [Internet] [Thesis]. University of Edinburgh; 2013. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1842/8832.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Mejia-Ramirez M. Effect of practice on perceptual load. [Thesis]. University of Edinburgh; 2013. Available from: http://hdl.handle.net/1842/8832

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Univerzitet u Beogradu

18. Gvozdenović, Vasilije P., 1971-. Prostorno-vremenski činioci percepcije iluzornih kontura.

Degree: Filozofski fakultet, 2014, Univerzitet u Beogradu

URL: https://fedorabg.bg.ac.rs/fedora/get/o:8110/bdef:Content/get

►

Vizuelna percepcija - eksperimentalna psihologija / Visual perception - experimental psychology

Jedno od pitanja koje se može postaviti u vezi prirode procesa percepcije iluzornih kontura… (more)

▼

Vizuelna percepcija - eksperimentalna psihologija / Visual perception - experimental psychology

Jedno od pitanja koje se može postaviti u vezi prirode procesa percepcije iluzornih kontura jeste nivo njihove obrade. Fiziološke studije ubedljivo govore o tome da se ovaj fenomen može tretirati kao osnovno svojstvo vizuelne stimulacije. Primenom raznovrsnih tehnika registrovanja moždane aktivnosti, neurofiziolozi su otkrili specijalizovane neurone u zoni vizuelnog korteksa koji su osetljivi na iluzorne konture. Psihofizički, fenomen ranog viđenja iluzornih kontura nije u potpunosti potvrđen. U psihološkoj literaturi postoje suprostavljena stanovišta. Deo eksperimenata govori u prilog tezi o ranom viđenju, dok drugi deo govori suprotno. Jedna od problema našeg istraživanja je nivo obrade iluzornih kontura, operacionalizovan kroz metodologiju vizuelne pretrage. U okviru ovog problema proveravali smo i model 'vezivanja pozadinskih elemenata' koji je ponuđen kao jedno od objašnjenja opažanja mete u osnovnim vizuelnim pretrsgama. Đrugi problem rads prsdstavijs ispitivanje vremenskih karakteristika faktora koji utiču na pretraživanje mete. To su pre svega, karakteristike mete i njena lokacija u setu vizuelne pretrage. Posebna tema istraživanja bilo je utvrđivanje vremenskog perioda potrebnog za formiranje percepta iluzorne figure. Razvijena je specifična eksperimentalna tehnika kojom smo ovaj period utvrdili. U suprotnosti sa jednim delom psihofizičkih istraživanja, naše istraživanje je pokazalo da se iluzorne konture ne mogu obrađivati na nivou ranog viđenja. Međusobnim poređenjem uloge karakteristike i lokacije mete, utvrdili smo da je lokacija ima važniju ali ne i nezavisnu ulogu od uloge karakteristike mete. Kritično vreme, potrebno za kompletiranje percepta iluzornih kontura iznosi oko 150 ms. Takođe, pokazalo se da su svi faktori, obuhvaćeni našim istraživanjem relativno nezavisni od dejstava prostornih činilaca stimulusne organizacije.

Advisors/Committee Members: search?q=%2Bpublisher%3A%22Univerzitet%20u%20Beogradu%22%20%2Bcontributor%3A%28%22Todorovi%C3%84%C2%87%2C%20Dejan%22%29&pagesize-30">Todorović, Dejan.

Subjects/Keywords: illusory contours; early vision; visual search; priming

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Gvozdenović, Vasilije P., 1. (2014). Prostorno-vremenski činioci percepcije iluzornih kontura. (Thesis). Univerzitet u Beogradu. Retrieved from https://fedorabg.bg.ac.rs/fedora/get/o:8110/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Gvozdenović, Vasilije P., 1971-. “Prostorno-vremenski činioci percepcije iluzornih kontura.” 2014. Thesis, Univerzitet u Beogradu. Accessed September 16, 2019. https://fedorabg.bg.ac.rs/fedora/get/o:8110/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Gvozdenović, Vasilije P., 1971-. “Prostorno-vremenski činioci percepcije iluzornih kontura.” 2014. Web. 16 Sep 2019.

Vancouver:

Gvozdenović, Vasilije P. 1. Prostorno-vremenski činioci percepcije iluzornih kontura. [Internet] [Thesis]. Univerzitet u Beogradu; 2014. [cited 2019 Sep 16]. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:8110/bdef:Content/get.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gvozdenović, Vasilije P. 1. Prostorno-vremenski činioci percepcije iluzornih kontura. [Thesis]. Univerzitet u Beogradu; 2014. Available from: https://fedorabg.bg.ac.rs/fedora/get/o:8110/bdef:Content/get

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Clemson University

19. Mcintyre, Scott. APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS.

Degree: PhD, Human Factors Psychology, 2012, Clemson University

URL: https://tigerprints.clemson.edu/all_dissertations/894

► This experiment applies methodologies and theories of visual search and attention to the subject of conspicuity in automobile rear lighting. Based on these theories, this… (more)

Subjects/Keywords: Attention; Transportation Safety; Visual Search; Psychology

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Mcintyre, S. (2012). APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS. (Doctoral Dissertation). Clemson University. Retrieved from https://tigerprints.clemson.edu/all_dissertations/894

Chicago Manual of Style (16^th Edition):

Mcintyre, Scott. “APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS.” 2012. Doctoral Dissertation, Clemson University. Accessed September 16, 2019. https://tigerprints.clemson.edu/all_dissertations/894.

MLA Handbook (7^th Edition):

Mcintyre, Scott. “APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS.” 2012. Web. 16 Sep 2019.

Vancouver:

Mcintyre S. APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS. [Internet] [Doctoral dissertation]. Clemson University; 2012. [cited 2019 Sep 16]. Available from: https://tigerprints.clemson.edu/all_dissertations/894.

Council of Science Editors:

Mcintyre S. APPLYING VISUAL ATTENTION THEORY TO TRANSPORTATION SAFETY RESEARCH AND DESIGN: EVALUATION OF ALTERNATIVE AUTOMOBILE REAR LIGHTING SYSTEMS. [Doctoral Dissertation]. Clemson University; 2012. Available from: https://tigerprints.clemson.edu/all_dissertations/894

Michigan Technological University

20. Schreifels, Dave. Visual Search in Naturalistic Imagery.

Degree: MS, Department of Cognitive and Learning Sciences, 2018, Michigan Technological University

URL: https://digitalcommons.mtu.edu/etdr/681

► Visual search has been extensively studied in the laboratory, yielding broad insights into how we search through and attend to the world around us.… (more)

Subjects/Keywords: Visual Search; Naturalistic; Imagery; Vision; Attention; Psychology

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APA (6^th Edition):

Schreifels, D. (2018). Visual Search in Naturalistic Imagery. (Masters Thesis). Michigan Technological University. Retrieved from https://digitalcommons.mtu.edu/etdr/681

Chicago Manual of Style (16^th Edition):

Schreifels, Dave. “Visual Search in Naturalistic Imagery.” 2018. Masters Thesis, Michigan Technological University. Accessed September 16, 2019. https://digitalcommons.mtu.edu/etdr/681.

MLA Handbook (7^th Edition):

Schreifels, Dave. “Visual Search in Naturalistic Imagery.” 2018. Web. 16 Sep 2019.

Vancouver:

Schreifels D. Visual Search in Naturalistic Imagery. [Internet] [Masters thesis]. Michigan Technological University; 2018. [cited 2019 Sep 16]. Available from: https://digitalcommons.mtu.edu/etdr/681.

Council of Science Editors:

Schreifels D. Visual Search in Naturalistic Imagery. [Masters Thesis]. Michigan Technological University; 2018. Available from: https://digitalcommons.mtu.edu/etdr/681

University of Illinois – Urbana-Champaign

21. Wang, Zhiyuan. Parallel processing of efficient, heterogeneous visual search with real-world objects.

Degree: MA, Psychology, 2016, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/92989

► Previous work in our lab has demonstrated that efficient visual search has a reaction time by set size function that is best characterized by logarithmic… (more)

Subjects/Keywords: visual search; parallel processing; heterogeneity; logarithmic

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APA (6^th Edition):

Wang, Z. (2016). Parallel processing of efficient, heterogeneous visual search with real-world objects. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/92989

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wang, Zhiyuan. “Parallel processing of efficient, heterogeneous visual search with real-world objects.” 2016. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/92989.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wang, Zhiyuan. “Parallel processing of efficient, heterogeneous visual search with real-world objects.” 2016. Web. 16 Sep 2019.

Vancouver:

Wang Z. Parallel processing of efficient, heterogeneous visual search with real-world objects. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2016. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/92989.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wang Z. Parallel processing of efficient, heterogeneous visual search with real-world objects. [Thesis]. University of Illinois – Urbana-Champaign; 2016. Available from: http://hdl.handle.net/2142/92989

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Illinois – Urbana-Champaign

22. Ang, Cher Wee. Training and transfer of training in rapid visual search under high target-background similarity.

Degree: MA, 0338, 2013, University of Illinois – Urbana-Champaign

URL: http://hdl.handle.net/2142/42182

► Near-perfect transfer of training was observed in a previous study when participants trained to search for targets on camouflage backgrounds (high target-background similarity) were just… (more)

Subjects/Keywords: Visual Search; Training; Transfer; Attention; Camouflage

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APA (6^th Edition):

Ang, C. W. (2013). Training and transfer of training in rapid visual search under high target-background similarity. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/42182

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ang, Cher Wee. “Training and transfer of training in rapid visual search under high target-background similarity.” 2013. Thesis, University of Illinois – Urbana-Champaign. Accessed September 16, 2019. http://hdl.handle.net/2142/42182.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ang, Cher Wee. “Training and transfer of training in rapid visual search under high target-background similarity.” 2013. Web. 16 Sep 2019.

Vancouver:

Ang CW. Training and transfer of training in rapid visual search under high target-background similarity. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2013. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2142/42182.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ang CW. Training and transfer of training in rapid visual search under high target-background similarity. [Thesis]. University of Illinois – Urbana-Champaign; 2013. Available from: http://hdl.handle.net/2142/42182

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Notre Dame

23. Adam Thomas Biggs. How Prior Information Influences the Guidance of Attention</h1>.

Degree: PhD, Psychology, 2011, University of Notre Dame

URL: https://curate.nd.edu/show/tq57np21k8z

► To successfully guide attention toward a relevant object, the observer must have information about the defining (or essential) features of that object. Often, the… (more)

▼ To successfully guide attention toward a relevant object, the observer must have information about the defining (or essential) features of that object. Often, the observer also has information about non-essential features of the target, the distractors, or both; however, such ancillary information is often not manipulated independently of the essential information, and so its role in top-down guidance is unclear. Accordingly, the present study was designed to assess whether ancillary information can influence the guidance of attention using a visual search task in which observers searched for one of two target letters within a central array while trying to ignore a peripheral distractor. In this study, the two target letters were distinguished from the non-target letters by their form and they were distinguished from the peripheral distractor by their spatial location, thereby making form and location essential. In addition, the color of the target and non-target letters matched the color of the distractor in one condition, but they mismatched the peripheral distractor in another condition, thereby making color ancillary to the task. This ancillary color information was provided about the distractor in Experiment 1 and it was provided about the target in Experiments 2, 3, and 4. The ability of ancillary color information to guide attention was measured by the amount of interference that was generated by incompatible distracters relative to neutral distracters. In addition, this guidance was investigated under both low (Experiments 1 and 2) and high (Experiments 3 and 4) levels of perceptual load. In the low load condition, guidance by ancillary color information was predicted to be reflected by a reduction in distractor interference in the color mismatch condition relative to the color match condition. However, the results of Experiment 1 and 2 suggested that such guidance did not occur under conditions of low load, regardless of whether ancillary color information was provided about the distractor or the target. In the high load condition, guidance by ancillary color information was predicted to be reflected by an increase in distractor interference in the color match condition relative to the color mismatch condition. The results were consistent with this prediction, as long as the salience of the distractor was controlled (as in Experiment 4). Altogether the present findings extend our understanding of the role of top-down information in the guidance of attention, while also establishing initial boundary conditions for these effects. Implications for major theories of attention such guided search and perceptual load are discussed. Advisors/Committee Members: search?q=%2Bpublisher%3A%22University%20of%20Notre%20Dame%22%20%2Bcontributor%3A%28%22Michael%20Villano%2C%20Committee%20Member%22%29&pagesize-30">Michael Villano, Committee Member, search?q=%2Bpublisher%3A%22University%20of%20Notre%20Dame%22%20%2Bcontributor%3A%28%22James%20Brockmole%2C%20Committee%20Member%22%29&pagesize-30">James Brockmole, Committee Member, search?q=%2Bpublisher%3A%22University%20of%20Notre%20Dame%22%20%2Bcontributor%3A%28%22Bradley%20S.%20Gibson%2C%20Committee%20Member%22%29&pagesize-30">Bradley S. Gibson, Committee Member, search?q=%2Bpublisher%3A%22University%20of%20Notre%20Dame%22%20%2Bcontributor%3A%28%22Laura%20Carlson%2C%20Committee%20Member%22%29&pagesize-30">Laura Carlson, Committee Member.

Subjects/Keywords: visual search; attention; perceptual load; guidance; information

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Biggs, A. T. (2011). How Prior Information Influences the Guidance of Attention</h1>. (Doctoral Dissertation). University of Notre Dame. Retrieved from https://curate.nd.edu/show/tq57np21k8z

Chicago Manual of Style (16^th Edition):

Biggs, Adam Thomas. “How Prior Information Influences the Guidance of Attention</h1>.” 2011. Doctoral Dissertation, University of Notre Dame. Accessed September 16, 2019. https://curate.nd.edu/show/tq57np21k8z.

MLA Handbook (7^th Edition):

Biggs, Adam Thomas. “How Prior Information Influences the Guidance of Attention</h1>.” 2011. Web. 16 Sep 2019.

Vancouver:

Biggs AT. How Prior Information Influences the Guidance of Attention</h1>. [Internet] [Doctoral dissertation]. University of Notre Dame; 2011. [cited 2019 Sep 16]. Available from: https://curate.nd.edu/show/tq57np21k8z.

Council of Science Editors:

Biggs AT. How Prior Information Influences the Guidance of Attention</h1>. [Doctoral Dissertation]. University of Notre Dame; 2011. Available from: https://curate.nd.edu/show/tq57np21k8z

University of Toronto

24. Williams, Ryan Scott. “Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations.

Degree: 2017, University of Toronto

URL: http://hdl.handle.net/1807/79439

►

To examine behavioural and electrophysiological effects associated with the intentional suppression of spatial locations, a task was employed which cued to-be-ignored locations prior to stimulus… (more)

Subjects/Keywords: Attention; Distraction; EEG; Suppression; Visual Search; 0633

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APA (6^th Edition):

Williams, R. S. (2017). “Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/79439

Chicago Manual of Style (16^th Edition):

Williams, Ryan Scott. ““Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations.” 2017. Masters Thesis, University of Toronto. Accessed September 16, 2019. http://hdl.handle.net/1807/79439.

MLA Handbook (7^th Edition):

Williams, Ryan Scott. ““Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations.” 2017. Web. 16 Sep 2019.

Vancouver:

Williams RS. “Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations. [Internet] [Masters thesis]. University of Toronto; 2017. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1807/79439.

Council of Science Editors:

Williams RS. “Don’t Look Down”: Alpha-Band Activity Reveals Selection Prior to Suppression of to-be-Ignored Locations. [Masters Thesis]. University of Toronto; 2017. Available from: http://hdl.handle.net/1807/79439

San Jose State University

25. Sliwinska, Katarzyna Maria. Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?.

Degree: MA, Psychology, 2019, San Jose State University

URL: https://doi.org/10.31979/etd.t7vy-994j ; https://scholarworks.sjsu.edu/etd_theses/5020

► Gamification is the application of game elements to non-game environments (Deterding, 2012), and is often used to engage people and make their experiences more… (more)

Subjects/Keywords: engagement; gamification; motivation; performance; visual search

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APA (6^th Edition):

Sliwinska, K. M. (2019). Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?. (Masters Thesis). San Jose State University. Retrieved from https://doi.org/10.31979/etd.t7vy-994j ; https://scholarworks.sjsu.edu/etd_theses/5020

Chicago Manual of Style (16^th Edition):

Sliwinska, Katarzyna Maria. “Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?.” 2019. Masters Thesis, San Jose State University. Accessed September 16, 2019. https://doi.org/10.31979/etd.t7vy-994j ; https://scholarworks.sjsu.edu/etd_theses/5020.

MLA Handbook (7^th Edition):

Sliwinska, Katarzyna Maria. “Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?.” 2019. Web. 16 Sep 2019.

Vancouver:

Sliwinska KM. Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?. [Internet] [Masters thesis]. San Jose State University; 2019. [cited 2019 Sep 16]. Available from: https://doi.org/10.31979/etd.t7vy-994j ; https://scholarworks.sjsu.edu/etd_theses/5020.

Council of Science Editors:

Sliwinska KM. Exploring the Gamification Paradox: Why Does Improved Engagement Not Lead to Improved Performance?. [Masters Thesis]. San Jose State University; 2019. Available from: https://doi.org/10.31979/etd.t7vy-994j ; https://scholarworks.sjsu.edu/etd_theses/5020

Queens University

26. Warfe, Michael. The combined effects of sensory and non-sensory variables on saccade selection processes in visual search .

Degree: Neuroscience Studies, 2010, Queens University

URL: http://hdl.handle.net/1974/5957

► Decisions are based on multiple sources of information. For example, sensory information encoding environmental features may be combined with prior experience to bias judgements in… (more)

Subjects/Keywords: Neuroscience; Vision; Decision Making; Reward; Visual Search

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APA (6^th Edition):

Warfe, M. (2010). The combined effects of sensory and non-sensory variables on saccade selection processes in visual search . (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/5957

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Warfe, Michael. “The combined effects of sensory and non-sensory variables on saccade selection processes in visual search .” 2010. Thesis, Queens University. Accessed September 16, 2019. http://hdl.handle.net/1974/5957.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Warfe, Michael. “The combined effects of sensory and non-sensory variables on saccade selection processes in visual search .” 2010. Web. 16 Sep 2019.

Vancouver:

Warfe M. The combined effects of sensory and non-sensory variables on saccade selection processes in visual search . [Internet] [Thesis]. Queens University; 2010. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/1974/5957.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Warfe M. The combined effects of sensory and non-sensory variables on saccade selection processes in visual search . [Thesis]. Queens University; 2010. Available from: http://hdl.handle.net/1974/5957

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Kansas State University

27. Peterson, Jared Joel. The interaction between visual resolution and task-relevance in guiding visual selective attention.

Degree: PhD, Department of Psychological Sciences, 2018, Kansas State University

URL: http://hdl.handle.net/2097/39309

► Visual resolution (i.e., blur or clarity) is a natural aspect of vision. It has been used by film makers to direct their audience’s attention by… (more)

▼ Visual resolution (i.e., blur or clarity) is a natural aspect of vision. It has been used by film makers to direct their audience’s attention by focusing the depth of field such that the critical region in a scene is uniquely clear and the surrounding is blurred. Resolution contrast can focus attention towards unique clarity, as supported by previous eye tracking and visual search research (Enns & MacDonald, 2013; Kosara, Miksch, Hauser, Schrammel, Giller, & Tscheligi, 2002; & McConkie, 2002; Peterson, 2016; Smith & Tadmor, 2012). However, little is known about how unique blur is involved in guiding attention (e.g., capture, repel, or be ignored). Peterson (2016) provided reaction time (RT) evidence that blur is ignored by selective attention when resolution is not task-relevant. Perhaps visual resolution is a search asymmetry where unique clarity can be used to guide selective attention during search, but unique blur cannot guide attention. Yet, perhaps the RT evidence was not sensitive enough with Peterson’s (2016) methodology to observe unique blur capturing or repelling attention. Eye movements (e.g., letter first fixated) may be more sensitive than RT as it measures blur and clarity’s influence on guiding attention earlier in a trial. The current study conducted three experiments that investigated: a) how visual resolution guides attention when it is task-irrelevant (Exp. 1), b) whether visual resolution is a search asymmetry, by manipulating resolution’s task-relevance (Use Blur, Use Clarity, Do Not Use Unique Blur or Clarity, & No Instructions) (Exp. 2), and c) whether blur and/or clarity are processed preattentively or require attention (Exp. 3). Experiments 1 and 2 manipulated blur and clarity (Exp. 1 Resolution = Task-irrelevant & Exp. 2 Resolution = Task-relevant), during a rotated L and T visual search measuring RT and eye movements. Experiment 1 found with the more sensitive eye movement measures that unique clarity strongly captured attention while unique blur weakly repelled attention towards nearby clarity (or clarity, especially that close to blur, captured attention). Experiment 2 found evidence that visual resolution is not a search asymmetry because the influence of resolution on selective attention was contingent upon its task-relevance, which theoretically supports the presence of a reconfigurable resolution feature detector. Experiment 3 used a feature search for either blur or clarity (i.e., resolution was task-relevant) and compared RT x Set Size search slopes. Both blurred and clear target present RT x Set Size search slopes were ~ 1 msec/item. The results strongly supported that blur and clarity are both processed preattentively, and provided additional evidence that resolution is not a search asymmetry. Overall, the current studies shed light on how visual resolution is processed and guides selective attention. The results revealed that visual resolution is processed preattentively and has a dynamic relationship with selective attention. Predicting how resolution will guide attention… Advisors/Committee Members: search?q=%2Bpublisher%3A%22Kansas%20State%20University%22%20%2Bcontributor%3A%28%22Lester%20C.%20Loschky%22%29&pagesize-30">Lester C. Loschky.

Subjects/Keywords: Visual resolution; Visual selective attention; Visual Blur; Visual Search; Task-relevance; Eye movements

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Peterson, J. J. (2018). The interaction between visual resolution and task-relevance in guiding visual selective attention. (Doctoral Dissertation). Kansas State University. Retrieved from http://hdl.handle.net/2097/39309

Chicago Manual of Style (16^th Edition):

Peterson, Jared Joel. “The interaction between visual resolution and task-relevance in guiding visual selective attention.” 2018. Doctoral Dissertation, Kansas State University. Accessed September 16, 2019. http://hdl.handle.net/2097/39309.

MLA Handbook (7^th Edition):

Peterson, Jared Joel. “The interaction between visual resolution and task-relevance in guiding visual selective attention.” 2018. Web. 16 Sep 2019.

Vancouver:

Peterson JJ. The interaction between visual resolution and task-relevance in guiding visual selective attention. [Internet] [Doctoral dissertation]. Kansas State University; 2018. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/2097/39309.

Council of Science Editors:

Peterson JJ. The interaction between visual resolution and task-relevance in guiding visual selective attention. [Doctoral Dissertation]. Kansas State University; 2018. Available from: http://hdl.handle.net/2097/39309

28. Filipe, Ana Elisabete Chora. As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais.

Degree: 2015, Universidade de Évora

URL: https://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/16681

► A presente investigação traduziu-se na exploração da utilização das tarefas de busca visual na avaliação da perceção da cor em crianças, procurando saber se é… (more)

▼ A presente investigação traduziu-se na exploração da utilização das tarefas de busca visual na avaliação da perceção da cor em crianças, procurando saber se é possível objetivar algum dos construtos da felicidade. Para isso, partiu-se do pressuposto de que a busca visual dijuntiva da cor é uma medida objetiva que permite indagar acerca do funcionamento mental (e.g., Fodor, 1985; Treisman, 1986, 1999; Colaço, 2005) e este, por sua vez, um indicador do bem estar subjetivo, como constructo da felicidade. Admitindo que a cor é uma característica que é processada de forma paralela, autónoma e pré-atentivamente, sendo apenas integrada numa fase posterior (Treisman & Gelade, 1980; Treisman, 1986; Wolfe, 1998), foram levadas a cabo duas experiências cujo objetivo era detetar o alvo entre distratores, presentes em cenários visuais digitais. Para a primeira experiência, utilizaram-se as assimetrias (Theeuwes, 1991; Treisman & Gormican, 1988; Wolfe, 2001) das cores azul e amarelo (pertencentes ao mesmo canal cor-oponente) e para a segunda experiência, utilizaram-se as cores verde e azul (pertencentes a diferentes pares cor-oponente). A amostra, por conveniência e exploratória, foi constituída por 38 crianças de ambos os sexos (n = 38), entre os 6 e os 12 anos de idade (M = 9 anos), residentes no distrito de Santarém e que constituíram dois grupos: um grupo reuniu as crianças que beneficiavam de programas educativos especiais, dado estarem abrangidos pelo decreto lei nº 3/2008, de 7 janeiro, e um segundo grupo, onde as crianças não beneficiavam de qualquer apoio no que diz respeito à adaptação de currículos específicos, logo, sem necessidades educativas especiais. Os resultados do modelo geral linear de medidas repetidas não mostraram diferenças significativas entre os grupos, mostrando apenas diferenças significativas dos tempos de reação médios no que ao processamento da cor diz respeito, independentemente do grupo a que pertenciam as crianças. Pode-se pensar que nas crianças com necessidades educativas especiais, a intervenção implícita no processo permitiu que o processamento de informação cor atingisse os tempos de reação esperados ou que as crianças com necessidades educativas especiais não apresentam dificuldades cognitivas de base; The visual color search tasks in the evaluation of visual perception: An exploratory study with children with and without special educational needs Abstract: This research resulted in the exploration of the use of visual search tasks in evaluating the perception of color in children, in order to know whether it is possible to objectify any happiness constructs. Therefore, we start with the assumption that the disjunctive visual color search is an objective measure that allows us to question the mental functioning (eg, Fodor, 1985; Treisman, 1986, 1999; Colaco, 2005) and this in turn, is an indicator of subjective well-being, and happiness of the construct. Assuming that the color is a feature that is processed in parallel, separate and pre-attentively and only integrated at a later stage… Advisors/Committee Members: search?q=%2Bpublisher%3A%22Universidade%20de%20%26%23201%3Bvora%22%20%2Bcontributor%3A%28%22Cola%C3%83%C2%A7o%2C%20Nuno%20Miguel%20Rosa%20Valente%22%29&pagesize-30">Colaço, Nuno Miguel Rosa Valente.

Subjects/Keywords: Busca visual dijuntiva; Perceção visual; Cor; Felicidade; Disjunctive visual search; Visual perception; Color; Happiness

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Filipe, A. E. C. (2015). As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais. (Thesis). Universidade de Évora. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/16681

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Filipe, Ana Elisabete Chora. “As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais.” 2015. Thesis, Universidade de Évora. Accessed September 16, 2019. https://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/16681.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Filipe, Ana Elisabete Chora. “As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais.” 2015. Web. 16 Sep 2019.

Vancouver:

Filipe AEC. As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais. [Internet] [Thesis]. Universidade de Évora; 2015. [cited 2019 Sep 16]. Available from: https://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/16681.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Filipe AEC. As tarefas de busca visual da cor na avaliação perceção visual: um estudo exploratório com crianças com e sem necessidades educativas especiais. [Thesis]. Universidade de Évora; 2015. Available from: https://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/16681

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Duke University

29. Adamo, Stephen Hunter. Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search .

Degree: 2016, Duke University

URL: http://hdl.handle.net/10161/12255

► For over 50 years, the Satisfaction of Search effect, and more recently known as the Subsequent Search Miss (SSM) effect, has plagued the field… (more)

▼ For over 50 years, the Satisfaction of Search effect, and more recently known as the Subsequent Search Miss (SSM) effect, has plagued the field of radiology. Defined as a decrease in additional target accuracy after detecting a prior target in a visual search, SSM errors are known to underlie both real-world search errors (e.g., a radiologist is more likely to miss a tumor if a different tumor was previously detected) and more simplified, lab-based search errors (e.g., an observer is more likely to miss a target ‘T’ if a different target ‘T’ was previously detected). Unfortunately, little was known about this phenomenon’s cognitive underpinnings and SSM errors have proven difficult to eliminate. However, more recently, experimental research has provided evidence for three different theories of SSM errors: the Satisfaction account, the Perceptual Set account, and the Resource Depletion account. A series of studies examined performance in a multiple-target visual search and aimed to provide support for the Resource Depletion account—a first target consumes cognitive resources leaving less available to process additional targets. To assess a potential mechanism underlying SSM errors, eye movements were recorded in a multiple-target visual search and were used to explore whether a first target may result in an immediate decrease in second-target accuracy, which is known as an attentional blink. To determine whether other known attentional distractions amplified the effects of finding a first target has on second-target detection, distractors within the immediate vicinity of the targets (i.e., clutter) were measured and compared to accuracy for a second target. To better understand which characteristics of attention were impacted by detecting a first target, individual differences within four characteristics of attention were compared to second-target misses in a multiple-target visual search. The results demonstrated that an attentional blink underlies SSM errors with a decrease in second-target accuracy from 135ms-405ms after detection or re-fixating a first target. The effects of clutter were exacerbated after finding a first target causing a greater decrease in second-target accuracy as clutter increased around a second-target. The attentional characteristics of modulation and vigilance were correlated with second- target misses and suggest that worse attentional modulation and vigilance are predictive of more second-target misses. Taken together, these result are used as the foundation to support a new theory of SSM errors, the Flux Capacitor theory. The Flux Capacitor theory predicts that once a target is found, it is maintained as an attentional template in working memory, which consumes attentional resources that could otherwise be used to detect additional targets. This theory not only proposes why attentional resources are consumed by a first target, but encompasses the research in support of all three SSM theories in an effort to establish a grand, unified theory of SSM errors. Advisors/Committee Members: search?q=%2Bpublisher%3A%22Duke%20University%22%20%2Bcontributor%3A%28%22Mitroff%2C%20Stephen%20R%22%29&pagesize-30">Mitroff, Stephen R (advisor), search?q=%2Bpublisher%3A%22Duke%20University%22%20%2Bcontributor%3A%28%22Egner%2C%20Tobias%22%29&pagesize-30">Egner, Tobias (advisor).

Subjects/Keywords: Cognitive psychology; Attention; Attentional Blink; Subsequent Search Misses; Visual Search

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Adamo, S. H. (2016). Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search . (Thesis). Duke University. Retrieved from http://hdl.handle.net/10161/12255

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Adamo, Stephen Hunter. “Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search .” 2016. Thesis, Duke University. Accessed September 16, 2019. http://hdl.handle.net/10161/12255.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Adamo, Stephen Hunter. “Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search .” 2016. Web. 16 Sep 2019.

Vancouver:

Adamo SH. Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search . [Internet] [Thesis]. Duke University; 2016. [cited 2019 Sep 16]. Available from: http://hdl.handle.net/10161/12255.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Adamo SH. Grabbing Your Attention: The Impact of Finding a First Target in Multiple-Target Search . [Thesis]. Duke University; 2016. Available from: http://hdl.handle.net/10161/12255

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

30. Stroud, Michael John. Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search.

Degree: PhD, Psychology, 2010, U of Massachusetts : PhD

URL: https://scholarworks.umass.edu/open_access_dissertations/231

► Visual search consists of locating a known target amongst a field of distractors. Often times, observers must search for more than one object at once.… (more)

Subjects/Keywords: Attention; Color; Dual Target Search; Eye Movements; Visual Search; Psychology

Record Details Similar Records Cite « Share

❌

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Stroud, M. J. (2010). Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search. (Doctoral Dissertation). U of Massachusetts : PhD. Retrieved from https://scholarworks.umass.edu/open_access_dissertations/231

Chicago Manual of Style (16^th Edition):

Stroud, Michael John. “Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search.” 2010. Doctoral Dissertation, U of Massachusetts : PhD. Accessed September 16, 2019. https://scholarworks.umass.edu/open_access_dissertations/231.

MLA Handbook (7^th Edition):

Stroud, Michael John. “Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search.” 2010. Web. 16 Sep 2019.

Vancouver:

Stroud MJ. Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search. [Internet] [Doctoral dissertation]. U of Massachusetts : PhD; 2010. [cited 2019 Sep 16]. Available from: https://scholarworks.umass.edu/open_access_dissertations/231.

Council of Science Editors:

Stroud MJ. Why is it Difficult to Search for Two Colors at Once? How Eye Movements Can Reveal the Nature of Representations During Multi-target Visual Search. [Doctoral Dissertation]. U of Massachusetts : PhD; 2010. Available from: https://scholarworks.umass.edu/open_access_dissertations/231

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Open Access Theses and Dissertations