subject:(reflexes)

University of Montana

1. Burch, Elmer R. Effect of some mental and physical conditions on the patellar tendon reflex.

Degree: MA, 1929, University of Montana

URL: https://scholarworks.umt.edu/etd/4990

Subjects/Keywords: Reflexes.

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APA (6^th Edition):

Burch, E. R. (1929). Effect of some mental and physical conditions on the patellar tendon reflex. (Masters Thesis). University of Montana. Retrieved from https://scholarworks.umt.edu/etd/4990

Chicago Manual of Style (16^th Edition):

Burch, Elmer R. “Effect of some mental and physical conditions on the patellar tendon reflex.” 1929. Masters Thesis, University of Montana. Accessed March 05, 2021. https://scholarworks.umt.edu/etd/4990.

MLA Handbook (7^th Edition):

Burch, Elmer R. “Effect of some mental and physical conditions on the patellar tendon reflex.” 1929. Web. 05 Mar 2021.

Vancouver:

Burch ER. Effect of some mental and physical conditions on the patellar tendon reflex. [Internet] [Masters thesis]. University of Montana; 1929. [cited 2021 Mar 05]. Available from: https://scholarworks.umt.edu/etd/4990.

Council of Science Editors:

Burch ER. Effect of some mental and physical conditions on the patellar tendon reflex. [Masters Thesis]. University of Montana; 1929. Available from: https://scholarworks.umt.edu/etd/4990

University of Zambia

2. Mateele, Namonda. Facilitating participatory communication for development : A study of reflect facilitators in Namwala district .

Degree: 2012, University of Zambia

URL: http://hdl.handle.net/123456789/1202

► The study is a detailed account of the observations of the student with Hodi in Namwala and from interactions with REFLECT facilitators and participants. To… (more)

Subjects/Keywords: Facilitators communication; Participation; Reflexes

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APA (6^th Edition):

Mateele, N. (2012). Facilitating participatory communication for development : A study of reflect facilitators in Namwala district . (Thesis). University of Zambia. Retrieved from http://hdl.handle.net/123456789/1202

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):

Mateele, Namonda. “Facilitating participatory communication for development : A study of reflect facilitators in Namwala district .” 2012. Thesis, University of Zambia. Accessed March 05, 2021. http://hdl.handle.net/123456789/1202.

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

MLA Handbook (7^th Edition):

Mateele, Namonda. “Facilitating participatory communication for development : A study of reflect facilitators in Namwala district .” 2012. Web. 05 Mar 2021.

Vancouver:

Mateele N. Facilitating participatory communication for development : A study of reflect facilitators in Namwala district . [Internet] [Thesis]. University of Zambia; 2012. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/123456789/1202.

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

Council of Science Editors:

Mateele N. Facilitating participatory communication for development : A study of reflect facilitators in Namwala district . [Thesis]. University of Zambia; 2012. Available from: http://hdl.handle.net/123456789/1202

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

University of Alberta

3. Forero, Juan. Touch and Balance During Walking.

Degree: PhD, Faculty of Rehabilitation Medicine, 2013, University of Alberta

URL: https://era.library.ualberta.ca/files/pg15bf367

► In this thesis the participation of tactile feedback from the hands in the control of balance was investigated. In Chapter 2, I characterized arm and… (more)

▼ In this thesis the participation of tactile feedback from the hands in the control of balance was investigated. In Chapter 2, I characterized arm and leg reactions to unexpected perturbations delivered through the arms during walking. Perturbations applied at the hands resulted in early latency responses in arm muscles that were accompanied by activation of muscles in the leg when subjects were instructed to oppose the perturbations. Although no responses were observed in the arms when subjects were instructed to comply to the perturbations, most subjects presented responses in muscles of the leg. Activation of muscles in the legs were present during the comply condition even though the perturbations did not result in a balance disturbance. In Chapter 3, I investigated the effect of light touch sensory cues on the earliest postural reactions to balance disturbances during walking. The results of this study revealed that corrective responses in leg muscles to perturbations during walking are modulated by light touch. In particular, it was found that the effect of light touch on the corrective responses was more apparent when walking with the eyes closed compared to walking with the eyes open. Finally, in Chapters 4 and 5, I studied the effect of light touch on the gating of neural pathways transporting sensory information associated with the touch surface. The results of the study presented in Chapter 4 showed that segmental cutaneous afferent pathways are facilitated in the presence of touch if they transport sensory information from functionally relevant sensory cues (i.e. skin in contact with the surface). The results of the study presented in Chapter 5 showed that when tactile feedback associated with the touch surface is available interlimb sensorimotor pathways transporting sensory information from the skin in contact with the touch surface are facilitated. Altogether the results from this thesis revealed that sensory input from the hand can encode information describing the interaction between the body and the environment, hence plays a strong role in the control of balance.

Subjects/Keywords: touch; walking; balance; reflexes

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APA (6^th Edition):

Forero, J. (2013). Touch and Balance During Walking. (Doctoral Dissertation). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/pg15bf367

Chicago Manual of Style (16^th Edition):

Forero, Juan. “Touch and Balance During Walking.” 2013. Doctoral Dissertation, University of Alberta. Accessed March 05, 2021. https://era.library.ualberta.ca/files/pg15bf367.

MLA Handbook (7^th Edition):

Forero, Juan. “Touch and Balance During Walking.” 2013. Web. 05 Mar 2021.

Vancouver:

Forero J. Touch and Balance During Walking. [Internet] [Doctoral dissertation]. University of Alberta; 2013. [cited 2021 Mar 05]. Available from: https://era.library.ualberta.ca/files/pg15bf367.

Council of Science Editors:

Forero J. Touch and Balance During Walking. [Doctoral Dissertation]. University of Alberta; 2013. Available from: https://era.library.ualberta.ca/files/pg15bf367

University of Guelph

4. Lam, Christopher. Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?.

Degree: PhD, Department of Human Health and Nutritional Sciences, 2016, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9651

► This thesis is an investigation of the relationship between the cerebellum and the vestibular system in postural control. When an electrical current is passed behind… (more)

▼ This thesis is an investigation of the relationship between the cerebellum and the vestibular system in postural control. When an electrical current is passed behind the ears, it results in a biphasic reflexive response in the muscles used for balance as well as a postural response, which occurs in the direction perpendicular to head orientation. Although our understanding of the postural and EMG responses to a vestibular perturbation is already quite detailed and continues to expand, there is still much to learn. One area of particular interest that remains irresolute is the origin of the vestibular reflexes and the involvement of other supraspinal structures in the modulation of these responses. The aim of this thesis is to further investigate the role of the cerebellar vermis in the modulation of the reflexive muscle responses and the direction of the postural responses to a vestibular perturbation. The current thesis is comprised of three studies, all of which had a similar experimental design. Each study consisted of two conditions: a TEST group, who received continuous theta burst stimulation (cTBS) to cause temporary synaptic depression of the cerebellar vermis; and a SHAM group, who received paired pulse transcranial magnetic stimulation (ppTMS), which had no effect on cerebellar function. Baseline vestibular responses were evaluated with an unaltered cerebellum before the intervention of either cTBS or ppTMS, then vestibular responses were reevaluated immediately after. The first experiment utilized a square wave, electrical vestibular stimulus to evaluate the electromyographic (EMG) reflex responses in the soleus muscles with a depressed cerebellum. It was found that the medium latency (ML) response of the EMG reflex significantly increased with cerebellar depression (cTBS), whereas there was no significant change with ppTMS. This demonstrated that the cerebellar vermis is involved in the modulation of the EMG reflexive response to a vestibular perturbation. In the second experiment, a stochastic vestibular stimulus was used to evaluate the effects of extra-vestibular sensory input (vision and light tactile input from the finger) on the ML vestibular reflex, while the cerebellar vermis was temporarily depressed. It was found that the dampening of vestibular response amplitudes, caused by the availability of vision and touch, was significantly lessened with cerebellar depression (cTBS), where there were no changes with ppTMS. These results demonstrate the involvement of cerebellar vermis and its role in sensory integration, an essential part of the response to a vestibular perturbation. In the final experiment, the objective was to determine the role of the cerebellum in developing appropriately directed postural responses to a vestibular perturbation under different orientations of head turn. We found that with the head facing over the shoulder, the postural response was no longer directed perpendicular to head orientation when the vermis was depressed with cTBS. The sway direction became more mediolateral,… Advisors/Committee Members: Bent, Leah (advisor).

Subjects/Keywords: Vestibular; Balance; Cerebellum; Posture; Reflexes

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APA (6^th Edition):

Lam, C. (2016). Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?. (Doctoral Dissertation). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9651

Chicago Manual of Style (16^th Edition):

Lam, Christopher. “Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?.” 2016. Doctoral Dissertation, University of Guelph. Accessed March 05, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9651.

MLA Handbook (7^th Edition):

Lam, Christopher. “Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?.” 2016. Web. 05 Mar 2021.

Vancouver:

Lam C. Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?. [Internet] [Doctoral dissertation]. University of Guelph; 2016. [cited 2021 Mar 05]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9651.

Council of Science Editors:

Lam C. Does Synaptic Depression Of The Cerebellar Vermis Modulate The Reflexive Muscular Or Full-Body Postural Responses To An Electrical Vestibular Perturbation In Healthy Young Adults?. [Doctoral Dissertation]. University of Guelph; 2016. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9651

University of Manitoba

5. Chopek, Jeremy W. Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors.

Degree: Physiology, 2013, University of Manitoba

URL: http://hdl.handle.net/1993/24099

► Serotonin (5-HT) is a well-known modulator of spinal cord excitability and motor output. In the spinal cord, the actions of 5-HT are primarily mediated by… (more)

▼ Serotonin (5-HT) is a well-known modulator of spinal cord excitability and motor output. In the spinal cord, the actions of 5-HT are primarily mediated by the 5-HT1AR, 5-HT2Rs and the 5-HT7R. Following a spinal cord transection, which results in a loss of supraspinal input, 5-HT agonists such as quipazine are used to provide excitation to the spinal cord to facilitate locomotor recovery. This is characterized by rhythmic alteration of left and right hindlimbs and ipsilateral flexor and extensor muscles. However, whether 5-HT has a global effect on spinal cord excitability or is confined to a specific motor group (i.e. flexors or extensors) is currently unknown. Furthermore, quipazine is used in conjunction with activity based interventions to enhance recovery following a spinal cord injury. However, the influence of limb activity on the responsiveness of the injured spinal cord to quipazine has not been examined. Lastly, the recovery of locomotion is at least in part thought to occur through an up-regulation of 5-HT receptors, although this has not been investigated in lumbar spinal cord. Chapter 2 examines whether quipazine had a differential effect on flexor and extensor motor output assessed by recording flexor and extensor reflexes, motoneurons and Ia extracellular field potentials pre- and post-quipazine. It was determined that following an acute spinal transection, quipazine induced a larger flexor monosynaptic reflex (MSR) compared to the extensor MSR due to pre-synaptic but not motoneuron modulation. Chapter 3 examines the influence of a chronic spinal transection with and without passive cycling on the hindlimb flexor and extensor MSR, both pre- and post-quipazine. It was found that three months post STx, the extensor but not flexor MSR demonstrated a hyperexcitable response, which was attenuated with passive cycling. Further, three months of passive cycling extensor MSR response to quipazine was similar to that seen in the control intact group. Chapter 4 examined 5-HT receptor expression in flexor and extensor motoneurons three months post spinalization with or without passive cycling. Following a chronic STx, the 5-HT1AR and 5-HT2CR are down regulated, whereas the 5-HT2AR is up-regulated. Passive cycling further enhanced the 5-HT2AR expression as well as up-regulated the 5-HT7R in extensor but not flexor motoneurons. Chapter 5 discusses the results and significance of these findings in detail. Advisors/Committee Members: Gardiner, Phillip (Physiology and Pathophysiology) (supervisor), Schmidt, Brian (Physiology and Pathophysiology) Jordan, Larry (Physiology and Pathophysiology) Kriellaars, Dean (College of Rehabilitation Sciences) Houle, John (Drexel University College of Medicine) (examiningcommittee).

Subjects/Keywords: serotonin; motoneuron; spinal reflexes; exercise

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APA (6^th Edition):

Chopek, J. W. (2013). Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors. (Thesis). University of Manitoba. Retrieved from http://hdl.handle.net/1993/24099

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):

Chopek, Jeremy W. “Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors.” 2013. Thesis, University of Manitoba. Accessed March 05, 2021. http://hdl.handle.net/1993/24099.

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

MLA Handbook (7^th Edition):

Chopek, Jeremy W. “Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors.” 2013. Web. 05 Mar 2021.

Vancouver:

Chopek JW. Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors. [Internet] [Thesis]. University of Manitoba; 2013. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/1993/24099.

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

Council of Science Editors:

Chopek JW. Lumbar spinal cord excitability: flexors vs. extensors, sensitivity to quipazine; effects of activity following spinal transection; and expression of post-synaptic serotonin receptors. [Thesis]. University of Manitoba; 2013. Available from: http://hdl.handle.net/1993/24099

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

University of Victoria

6. Lewis, Allen. Effect of stability context on cutaneous reflex modulation during treadmill walking.

Degree: School of Exercise Science, Physical and Health Education, 2011, University of Victoria

URL: http://hdl.handle.net/1828/3388

► Reflex control during walking has been shown to be specific to the behavioural context of a postural threat. Reflex modulation has been shown to be… (more)

▼ Reflex control during walking has been shown to be specific to the behavioural context of a postural threat. Reflex modulation has been shown to be influenced by perturbations to the trunk, as well as by changes to arm activity that further affected the level of postural threat. The magnitudes of EMG responses in limbs and trunk to mechanical trip perturbations were differentially modulated depending on whether or not an earth- referenced railing was held. To further understand the neural control of limb and trunk muscles during walking contexts where changes to postural stability are solely linked to arm activity, we created 3 treadmill walking tasks each with the arms engaged differently to induce three levels of postural stability. Neurologically-intact participants walked on a treadmill using normal arm swing (NORMAL), holding a wheeled walker (WALKER), or holding the handrails (HANDRAIL). Subjects ranked the tasks according to degree of perceived challenge to stability; WALKER was ranked most challenging, followed by NORMAL and then HANDRAIL. Cutaneous reflexes were evoked via constant current stimulation (5 x 1.0 ms pulses at 300 Hz) of Superficial Peroneal (SP) nerve at the foot and Superficial Radial (SR) nerve at the wrist in separate trials during each walking task. EMG was recorded ipsilateral to nerve stimulation from arm and leg muscles and bilaterally from trunk muscles. Off-line analysis was conducted on eight phases of the step cycle after phase-averaging, contingent upon the timing of stimulation in the step cycle. The number of differences in bEMG and reflexes between tasks was graded with the proximity to the source of instability at the arms, progressively increasing from the legs to the arms. The gradient in bEMG differences suggests that the mechanical constraints of each task required different levels of muscle activation that was greatest for the arms, less for the trunk and least for the legs. The similar gradient seen for reflexes suggests functionally relevant changes in neural control of arm and trunk muscles in order to maintain postural stability during in each task. However, overall there were significantly fewer differences in reflexes between tasks compared to bEMG. We suggest that the mechanical constraints of the tasks yielded more significant changes in the muscle activation while requiring far fewer task-specific changes in reflex control suggesting a conservation of some elements of the neural control mechanisms across tasks. Advisors/Committee Members: Zehr, E. Paul (supervisor), Hundza, Sandra R. (supervisor).

Subjects/Keywords: Human locomotion; reflexes; modulation

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APA (6^th Edition):

Lewis, A. (2011). Effect of stability context on cutaneous reflex modulation during treadmill walking. (Masters Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/3388

Chicago Manual of Style (16^th Edition):

Lewis, Allen. “Effect of stability context on cutaneous reflex modulation during treadmill walking.” 2011. Masters Thesis, University of Victoria. Accessed March 05, 2021. http://hdl.handle.net/1828/3388.

MLA Handbook (7^th Edition):

Lewis, Allen. “Effect of stability context on cutaneous reflex modulation during treadmill walking.” 2011. Web. 05 Mar 2021.

Vancouver:

Lewis A. Effect of stability context on cutaneous reflex modulation during treadmill walking. [Internet] [Masters thesis]. University of Victoria; 2011. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/1828/3388.

Council of Science Editors:

Lewis A. Effect of stability context on cutaneous reflex modulation during treadmill walking. [Masters Thesis]. University of Victoria; 2011. Available from: http://hdl.handle.net/1828/3388

University of Alberta

7. Capaday, Charles. Modulation of excitatory and inhibitory reflexes during locomotion.

Degree: PhD, Department of Physiology, 1988, University of Alberta

URL: https://era.library.ualberta.ca/files/6h440v73w

Subjects/Keywords: Reflexes.; Locomotion – Regulation.

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

APA (6^th Edition):

Capaday, C. (1988). Modulation of excitatory and inhibitory reflexes during locomotion. (Doctoral Dissertation). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/6h440v73w

Chicago Manual of Style (16^th Edition):

Capaday, Charles. “Modulation of excitatory and inhibitory reflexes during locomotion.” 1988. Doctoral Dissertation, University of Alberta. Accessed March 05, 2021. https://era.library.ualberta.ca/files/6h440v73w.

MLA Handbook (7^th Edition):

Capaday, Charles. “Modulation of excitatory and inhibitory reflexes during locomotion.” 1988. Web. 05 Mar 2021.

Vancouver:

Capaday C. Modulation of excitatory and inhibitory reflexes during locomotion. [Internet] [Doctoral dissertation]. University of Alberta; 1988. [cited 2021 Mar 05]. Available from: https://era.library.ualberta.ca/files/6h440v73w.

Council of Science Editors:

Capaday C. Modulation of excitatory and inhibitory reflexes during locomotion. [Doctoral Dissertation]. University of Alberta; 1988. Available from: https://era.library.ualberta.ca/files/6h440v73w

University of Guelph

8. Gill, Gagandeep. Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole.

Degree: MS, Department of Human Health and Nutritional Sciences, 2016, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9636

► Lower limb peripheral nerve stimulation, which activates cutaneous afferents from the foot dorsum, has been shown to generate transcortical reflex responses. This suggests that the… (more)

Subjects/Keywords: cutaneous; transcortical; reflexes; trancranial magnetic stimulation

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APA (6^th Edition):

Gill, G. (2016). Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole. (Masters Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9636

Chicago Manual of Style (16^th Edition):

Gill, Gagandeep. “Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole.” 2016. Masters Thesis, University of Guelph. Accessed March 05, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9636.

MLA Handbook (7^th Edition):

Gill, Gagandeep. “Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole.” 2016. Web. 05 Mar 2021.

Vancouver:

Gill G. Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole. [Internet] [Masters thesis]. University of Guelph; 2016. [cited 2021 Mar 05]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9636.

Council of Science Editors:

Gill G. Motor Cortex Excitability is Modulated by Cutaneous Electrical Stimulation of the Foot Sole. [Masters Thesis]. University of Guelph; 2016. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/9636

Delft University of Technology

9. Onneweer, B. (author). Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries.

Degree: 2010, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:79472ece-249e-4519-b12a-de12fc48d511

►

The goal of this study is to quantify the recovery of spinal reflexes at the elbow after neurosurgical intervention in patients with brachial plexus injuries.… (more)

▼

The goal of this study is to quantify the recovery of spinal reflexes at the elbow after neurosurgical intervention in patients with brachial plexus injuries. So far, main focus was on the recovery of muscle force and little on sensory- and reflex system. As reflexes play an important role during normal movement, it is of interest to determine to what extend reflexes have been restored after surgery. Arm admittance (dynamic relationship between displacements in a response to forces) at endpoint level (hand) was estimated using force perturbations in two directions (horizontal) applied by a two-joint robotic manipulator. Three different task instructions were used to provoke different intrinsic and reflexive behavior, being a position task (PT), a relax task (RT) and a force task (FT) where the subject was required to minimize hand displacements, not react to the perturbations and minimize force deviations (being compliant) respectively. Ten patients with brachial plexus lesions participated in this experiment and were suffering from varying degrees of arm dysfunction. All had successful recovery for the biceps (MRC grade 3 and higher) after surgical nerve repair of the n. musculocutaneous. Estimated intrinsic and reflexive parameters were compared to those of a control group (n = 10, age and sex matched). The task instructions had great influence on the admittance, especially between the PT and RT. In all patients, reflexive activity was found corresponding to assumed muscle spindles (velocity- and position feedback) and Golgi tendon organ (force feedback) function. For the PT, the difference in parameters between patients and control subjects was largest. Overall, patients exhibit more intrinsic stiffness at the shoulder and elbow than the control subjects, an indication of co-contraction, and less reflexive feedback at the elbow. There are two possible explanations for this: 1) The intrinsic and reflexive properties did not recover to the combination as before the injury and are not cooperating correctly, and 2) The patients are relying more on intrinsic control than on reflexive control (different control strategy). Whereas the control group uses an energy efficient approach, i.e. less intrinsic and more reflex activity, the patients appear to use a more maximal activation approach resulting in co-contraction. It is possible that the exercises performed during rehabilitation which focus on muscle force do not provoke enough reflexive behavior. More research, e.g. experiments that are designed to disable co-contraction, is needed to verify if the use of co-contraction is learnt or a necessity. Conclusion: reflexes do recover after surgery to severe Brachial plexus injuries, the amount of reflex function is less or less effective than for the control group.

BME

BioMechanical Engineering

Mechanical, Maritime and Materials Engineering

Advisors/Committee Members: Van der Helm, F.C.T. (mentor), De Vlugt, E. (mentor).

Subjects/Keywords: brachial plexus; reflexes

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APA (6^th Edition):

Onneweer, B. (. (2010). Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries. (Masters Thesis). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:79472ece-249e-4519-b12a-de12fc48d511

Chicago Manual of Style (16^th Edition):

Onneweer, B (author). “Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries.” 2010. Masters Thesis, Delft University of Technology. Accessed March 05, 2021. http://resolver.tudelft.nl/uuid:79472ece-249e-4519-b12a-de12fc48d511.

MLA Handbook (7^th Edition):

Onneweer, B (author). “Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries.” 2010. Web. 05 Mar 2021.

Vancouver:

Onneweer B(. Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries. [Internet] [Masters thesis]. Delft University of Technology; 2010. [cited 2021 Mar 05]. Available from: http://resolver.tudelft.nl/uuid:79472ece-249e-4519-b12a-de12fc48d511.

Council of Science Editors:

Onneweer B(. Recovery of reflexes at the elbow after surgery on severe brachial plexus injuries. [Masters Thesis]. Delft University of Technology; 2010. Available from: http://resolver.tudelft.nl/uuid:79472ece-249e-4519-b12a-de12fc48d511

University of Arizona

10. Zimmer, John Louis, 1947-. Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat .

Degree: 1974, University of Arizona

URL: http://hdl.handle.net/10150/554762

Subjects/Keywords: Reflexes.; Conditioned response.

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APA (6^th Edition):

Zimmer, John Louis, 1. (1974). Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat . (Masters Thesis). University of Arizona. Retrieved from http://hdl.handle.net/10150/554762

Chicago Manual of Style (16^th Edition):

Zimmer, John Louis, 1947-. “Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat .” 1974. Masters Thesis, University of Arizona. Accessed March 05, 2021. http://hdl.handle.net/10150/554762.

MLA Handbook (7^th Edition):

Zimmer, John Louis, 1947-. “Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat .” 1974. Web. 05 Mar 2021.

Vancouver:

Zimmer, John Louis 1. Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat . [Internet] [Masters thesis]. University of Arizona; 1974. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/10150/554762.

Council of Science Editors:

Zimmer, John Louis 1. Facilitation of sensitization of the flexor withdrawal reflex in the intact and spinal rat . [Masters Thesis]. University of Arizona; 1974. Available from: http://hdl.handle.net/10150/554762

Massey University

11. Colville, Mark Allan. The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety.

Degree: MA, Psychology, 2019, Massey University

URL: http://hdl.handle.net/10179/15453

► Personal Space is a complex field, including boundaries used in social interactions, navigation and defence. The Defensive Peripersonal Space (DPPS) is a close proximity personal… (more)

Subjects/Keywords: Personal space; Defensiveness (Psychology); Testing; Reflexes; Anxiety

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APA (6^th Edition):

Colville, M. A. (2019). The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety. (Masters Thesis). Massey University. Retrieved from http://hdl.handle.net/10179/15453

Chicago Manual of Style (16^th Edition):

Colville, Mark Allan. “The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety.” 2019. Masters Thesis, Massey University. Accessed March 05, 2021. http://hdl.handle.net/10179/15453.

MLA Handbook (7^th Edition):

Colville, Mark Allan. “The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety.” 2019. Web. 05 Mar 2021.

Vancouver:

Colville MA. The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety. [Internet] [Masters thesis]. Massey University; 2019. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/10179/15453.

Council of Science Editors:

Colville MA. The space around us : utilizing the hand-blink reflex to model defensive peripersonal space, and exploring interactions with state anxiety. [Masters Thesis]. Massey University; 2019. Available from: http://hdl.handle.net/10179/15453

University of British Columbia

12. Kan, Wai-On. Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog.

Degree: PhD, Physiology, 1977, University of British Columbia

URL: http://hdl.handle.net/2429/20558

► A preparation is described utilizing a constant flow, right-heart bypass for perfusion of the isolated main pulmonary arteries at controlled pressures. It is demonstrated that… (more)

▼ A preparation is described utilizing a constant flow, right-heart bypass for perfusion of the isolated main pulmonary arteries at controlled pressures. It is demonstrated that stepwise increments of pressure in the pulmonary arteries are accompanied by increases in systemic vascular resistance and in hind-limb vascular resistance. These changes were demonstrated over the whole range of 5-120 cm H₂O pressure in the pulmonary arteries. In contrast there were no significant changes in renal vascular resistance or heart rate. It is .also shown that changing the temperature of the perfusate in the pulmonary artery from 37°C to 30°C is associated with a decrease in systemic vascular resistance. The effects of raising the pulmonary arterial pressure and of cooling the pulmonary artery were abolished by cervical vagotomy. It is suggested that there is a tonic reflex vasoconstrictor tone generated by activity of receptors lying in or close to the walls of the pulmonary artery. It is further suggested that the differential effects on systemic vascular resistance and renal resistance may distribute cardiac output preferentially to the kidney providing one mechanism by which changes in blood volume may lead to appropriate changes in renal solute excretion. The later hypothesis was put to test by collecting urine from the intact kidneys of animals with isolated pulmonary pouch preparation. A step increase in the pouch pressure evoked a corresponding rise in the urinary volume, osmolar clearance, sodium excretion rate, but not the free water clearance and the potassium excretion rate. The response may be caused by renal hemodynamic changes as a result of the reflex increase in systemic arterial pressure. The rise in sodium excretion rate continued even after the release of the pressure in the pulmonary artery pouch thus the role of a natriuretic hormone in the reflex was suspected. A series of animals with one kidney intact and one kidney isolated and perfused with constant pressure was used in attempt to demonstrate the natriuretic action. These results confirmed the hemodynamic effect on the urinary function of the intact kidney. In the isolated kidney there was no statistically significant increase in sodium excretion rate, therefore the role of a natriuretic agent in the reflex response to distension of the pulmonary artery is still uncertain.

Subjects/Keywords: Pulmonary artery; Reflexes

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APA (6^th Edition):

Kan, W. (1977). Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog. (Doctoral Dissertation). University of British Columbia. Retrieved from http://hdl.handle.net/2429/20558

Chicago Manual of Style (16^th Edition):

Kan, Wai-On. “Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog.” 1977. Doctoral Dissertation, University of British Columbia. Accessed March 05, 2021. http://hdl.handle.net/2429/20558.

MLA Handbook (7^th Edition):

Kan, Wai-On. “Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog.” 1977. Web. 05 Mar 2021.

Vancouver:

Kan W. Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog. [Internet] [Doctoral dissertation]. University of British Columbia; 1977. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/2429/20558.

Council of Science Editors:

Kan W. Reflex cardiovascular and renal responses from the pulmonary arteries of the anesthetized dog. [Doctoral Dissertation]. University of British Columbia; 1977. Available from: http://hdl.handle.net/2429/20558

Simon Fraser University

13. Eke-Okoro, Sunday Theophilus. The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex.

Degree: 1979, Simon Fraser University

URL: http://summit.sfu.ca/item/3263

Subjects/Keywords: Neurophysiology.; Reflexes.; Stimulants.

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APA (6^th Edition):

Eke-Okoro, S. T. (1979). The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex. (Thesis). Simon Fraser University. Retrieved from http://summit.sfu.ca/item/3263

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):

Eke-Okoro, Sunday Theophilus. “The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex.” 1979. Thesis, Simon Fraser University. Accessed March 05, 2021. http://summit.sfu.ca/item/3263.

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

MLA Handbook (7^th Edition):

Eke-Okoro, Sunday Theophilus. “The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex.” 1979. Web. 05 Mar 2021.

Vancouver:

Eke-Okoro ST. The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex. [Internet] [Thesis]. Simon Fraser University; 1979. [cited 2021 Mar 05]. Available from: http://summit.sfu.ca/item/3263.

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

Council of Science Editors:

Eke-Okoro ST. The effects of force, fatigue, alcohol, aspirin and caffeine on the Hoffman reflex. [Thesis]. Simon Fraser University; 1979. Available from: http://summit.sfu.ca/item/3263

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

University of Sydney

14. Murray, Gregory Michael. An electromyographic study of the human jaw-closing reflex .

Degree: 1983, University of Sydney

URL: http://hdl.handle.net/2123/4210

► A mechanical stimulus producing stretch in human or animal muscle may evoke a reflex response in the muscle that tends to oppose the length change.… (more)

▼ A mechanical stimulus producing stretch in human or animal muscle may evoke a reflex response in the muscle that tends to oppose the length change. In decerebrate preparations, limb flexion generates a tonic stretch reflex that manifests as a sustained increase in resistance (Liddell and Sherrington, 1924; Widmalm, 1976b). This tonic response is not readily apparent in the conscious human subject, however, the phasic response may be observed as a burst of action potentials produced by the synchronous firing of several motor units, and as such represents the classic tendon reflex. The analogous compound action potential in the jaw musculature may be demonstrated following a sudden downward mechanical impulse to the mandible in the human or animal subject (Goodwill, 1968; Matthews, 1976) and has been termed the jaw-closing reflex or the jaw jerk reflex, the latter so named in view of its similarity to the knee-jerk and other tendon reflexes induced by sudden stretch (Goodwill, 1968; Munro and Griffin, 1971; Tardieu, Tabary and Tardieu, 1973). The use of the term “jaw jerk” to describe this reflex may be inappropriate as it has been used to describe a sudden opening movement (Riblet and Mitchell, 1971). It would appear preferable therefore to avoid the term “jaw jerk” in in favour of less ambiguous terminology such as “jaw-closing” reflex or monosynaptic myotatic reflex potential (MSP; Widlam, 1976a and b). The jaw-closing reflex is considered a fundamental phenomenon of the facial and oropharyngeal areas (Dubner, Sessle and Stoery, 1978) as it utilises afferent and efferent components involved in the generation, learning and modulation of programmed jaw movement sequences. Thus the reflex would appear to form the basis of more complex functions such as mastication and swallowing (Sessle, 1981), although the response itself probably appears only infrequently in normal function. A downwards tap delivered to the chin in a relaxed human subject causes muscle stretch and this produces an afferent projection along group Ia and group II pathways (Figure:1) which in turn exert monsynaptic and polysynaptic influences on motoneurones in the trigeminal motor nucleus. Inter-segmental and suprasegmental projections onto alpha and fusimotoneurones located in this motor nucleus (Greenwood and Sessle, 1976; Sessle, 1977a and b) modulate ongoing motoneurone excitability thus influencing the mainifestation of evoked monosynaptic reflexes.

Subjects/Keywords: Jaws – Muscles; Reflexes

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APA (6^th Edition):

Murray, G. M. (1983). An electromyographic study of the human jaw-closing reflex . (Thesis). University of Sydney. Retrieved from http://hdl.handle.net/2123/4210

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):

Murray, Gregory Michael. “An electromyographic study of the human jaw-closing reflex .” 1983. Thesis, University of Sydney. Accessed March 05, 2021. http://hdl.handle.net/2123/4210.

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

MLA Handbook (7^th Edition):

Murray, Gregory Michael. “An electromyographic study of the human jaw-closing reflex .” 1983. Web. 05 Mar 2021.

Vancouver:

Murray GM. An electromyographic study of the human jaw-closing reflex . [Internet] [Thesis]. University of Sydney; 1983. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/2123/4210.

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

Council of Science Editors:

Murray GM. An electromyographic study of the human jaw-closing reflex . [Thesis]. University of Sydney; 1983. Available from: http://hdl.handle.net/2123/4210

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

University of Missouri – Columbia

15. Sell, Meghan. Using the laryngeal adductor reflex to investigate swallowing.

Degree: 2013, University of Missouri – Columbia

URL: https://doi.org/10.32469/10355/43153

► [ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] The goal of this study was to develop a protocol to facilitate identification and quantification… (more)

Subjects/Keywords: Deglutition disorders.; Larynx – Muscles.; Reflexes – Testing.

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APA (6^th Edition):

Sell, M. (2013). Using the laryngeal adductor reflex to investigate swallowing. (Thesis). University of Missouri – Columbia. Retrieved from https://doi.org/10.32469/10355/43153

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):

Sell, Meghan. “Using the laryngeal adductor reflex to investigate swallowing.” 2013. Thesis, University of Missouri – Columbia. Accessed March 05, 2021. https://doi.org/10.32469/10355/43153.

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

MLA Handbook (7^th Edition):

Sell, Meghan. “Using the laryngeal adductor reflex to investigate swallowing.” 2013. Web. 05 Mar 2021.

Vancouver:

Sell M. Using the laryngeal adductor reflex to investigate swallowing. [Internet] [Thesis]. University of Missouri – Columbia; 2013. [cited 2021 Mar 05]. Available from: https://doi.org/10.32469/10355/43153.

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

Council of Science Editors:

Sell M. Using the laryngeal adductor reflex to investigate swallowing. [Thesis]. University of Missouri – Columbia; 2013. Available from: https://doi.org/10.32469/10355/43153

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

University of Missouri – Columbia

16. Johnson, Gabriella Monique. Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis.

Degree: 2015, University of Missouri – Columbia

URL: http://hdl.handle.net/10355/47146

► [ACCESS RESTRICTED TO THE UNIVERSITY OF MISSOURI AT REQUEST OF AUTHOR.] The post-auricular reflex (PAR) is a vestigial microreflex which is thought to be a… (more)

Subjects/Keywords: Startle reaction; Reflexes; Motivation (Psychology); Psychophysiology

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APA (6^th Edition):

Johnson, G. M. (2015). Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis. (Thesis). University of Missouri – Columbia. Retrieved from http://hdl.handle.net/10355/47146

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):

Johnson, Gabriella Monique. “Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis.” 2015. Thesis, University of Missouri – Columbia. Accessed March 05, 2021. http://hdl.handle.net/10355/47146.

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

MLA Handbook (7^th Edition):

Johnson, Gabriella Monique. “Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis.” 2015. Web. 05 Mar 2021.

Vancouver:

Johnson GM. Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis. [Internet] [Thesis]. University of Missouri – Columbia; 2015. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/10355/47146.

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

Council of Science Editors:

Johnson GM. Affective modulation of post-auricular reflexes to serial probes : a test of the nursing hypothesis. [Thesis]. University of Missouri – Columbia; 2015. Available from: http://hdl.handle.net/10355/47146

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

University of Florida

17. Otzel, Dana M. Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability.

Degree: PhD, Health and Human Performance - Applied Physiology and Kinesiology, 2012, University of Florida

URL: https://ufdc.ufl.edu/UFE0045005

► Upwards of 73% of individuals develop chronic ankle instability (CAI), characterized by recurrent injury and repeated episodes of a giving way sensation, following an initial… (more)

▼ Upwards of 73% of individuals develop chronic ankle instability (CAI), characterized by recurrent injury and repeated episodes of a giving way sensation, following an initial lateral ankle sprain. Deafferentation due to mechanoreceptor damage following the injury is suggested to play a role in the development of arthrogenic muscle inhibition (AMI). While traditional rehabilitation serves to promote returning to pre-injury activity levels, not all sensorimotor deficits may be vanquished in individuals with CAI. Alternatively, whole-body vibration (WBV) is a modality that has the potential to address neurophysiologic deficits accompanied by CAI and prevent re-injury. Mechanical vibration promotes blood flow and is suggested to stimulate the neuromuscular system by increasing excitability of sensory receptors. Our goal was to determine if an acute bout of WBV can improve AMI and proprioception in individuals with CAI. The Hoffmann reflex (H-reflex) was used to assess motoneuron (MN) pool recruitment. Proprioception was assessed using ankle joint position sense (JPS) without visual cues at 15° and 20° of inversion. Ten adults with CAI and ten age-matched healthy controls participated. Everyone underwent a control, sham, and WBV condition over three separate visits in randomized order. H-reflex and JPS were assessed prior to, immediately following and 30 minutes after the condition. Separate 2x3x3 analyses of variance were used to determine the effects of WBV on soleus muscle H:M ratios and JPS angle errors. The CAI group presented with lower H:M ratios compared to controls (0.467 vs. 0.619, p = 0.028) collapsed across condition and time. No differences were found between groups or across conditions for JPS (2.75° vs. 2.75° at 15°, p = 0.886, 2.50° vs. 3.00° at 20°, p = 0.331). Those with CAI have a lower MN drive compared to healthy individuals. A single bout of WBV did not improve AMI or proprioception in those with CAI nor did it have a benefit to healthy individuals. Furthermore, WBV deteriorated JPS performance, although not to a statistically significant level. The acute performance improvements that have been observed by researchers following WBV are not due enhanced neural drive as many have suggest given that the H-reflex was not potentiated. ( en ) Advisors/Committee Members: Tillman, Mark D (committee chair), Hass, Christopher J. (committee member), Borsa, Paul A (committee member), Bishop, Mark D (committee member), Wikstrom, Erik (committee member).

Subjects/Keywords: Abnormal reflexes; Ankle; Ankle joint; Gait; Ligaments; Physical trauma; Proprioception; Reflexes; Vibration; Walking; ankle – body – h-refelx – instability – proprioception – vibration – whole

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APA (6^th Edition):

Otzel, D. M. (2012). Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability. (Doctoral Dissertation). University of Florida. Retrieved from https://ufdc.ufl.edu/UFE0045005

Chicago Manual of Style (16^th Edition):

Otzel, Dana M. “Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability.” 2012. Doctoral Dissertation, University of Florida. Accessed March 05, 2021. https://ufdc.ufl.edu/UFE0045005.

MLA Handbook (7^th Edition):

Otzel, Dana M. “Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability.” 2012. Web. 05 Mar 2021.

Vancouver:

Otzel DM. Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability. [Internet] [Doctoral dissertation]. University of Florida; 2012. [cited 2021 Mar 05]. Available from: https://ufdc.ufl.edu/UFE0045005.

Council of Science Editors:

Otzel DM. Neuromotor Function Following Whole-Body Vibration in Individuals with Chronic Ankle Instability. [Doctoral Dissertation]. University of Florida; 2012. Available from: https://ufdc.ufl.edu/UFE0045005

University College London (University of London)

18. Magzoub, Mohammed Salah Eldin Mohammed Ali. The representation of respiratory movements in the inferior olive.

Degree: PhD, 1996, University College London (University of London)

URL: https://discovery.ucl.ac.uk/id/eprint/10103451/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321646

► It has been previously proposed that the inferior olive (IO) acts as a 'comparator' signalling to the cerebellum differences (errors) between signals conveying the command… (more)

▼ It has been previously proposed that the inferior olive (IO) acts as a 'comparator' signalling to the cerebellum differences (errors) between signals conveying the command for movement from 'higher motor centres' and the activity these signals evoke at spinal 'centres' which also are in reciept of peripheral inputs (Oscarsson, 1973). Validation of this hypothesis has been hindered by the lack of direct access to the command signals. A review of the literature revealed that the respiratory system, as a source of centrally initiated automatic movements, offers a unique opportunity for studying both the command and outcome for a naturally occurring movement. The experiments in the first section of the thesis reinvestigate the interactions between the central respiratory drive and segmental (chest wall) reflexes. Muscle afferent activity was also monitored in intercostal nerve filaments to define proprioceptive inputs to the spinal cord and brainstem during artificial ventilation. Against this background the IO was explored by extracellular recording to seek evidence of central and peripheral-related respiratory activities. Three principal types of respiratory related activities were encountered in the dorsal accessory olive (DAO); 1), respiratory phased, mass activity; 2), respiratory phased, low frequency activity; 3), respiratory pump locked activity. The spatial location of these activities was found to correspond to a narrow, longitudinal strip in the DAO representing the segmental projection of the spino-olivary neurones located in the thoracic spinal cord, as identified anatomically by Matsushita et al. (1992). The source of these activities was investigated by cold block of the cervical spinal cord at C3. Whereas the central respiratory activity was abolished in spinal motoneurones, it persisted in the DAO indicating that the DAO receives a phasic respiratory input of supraspinal origin. Lowering the CO2 while holding the mechanical conditions in the thorax constant, resulted in changes in the olivary discharge, further indicating that the central command is fed to the olive, thus supporting the view that the olivary neurones act as a comparator signalling differences between the command for movement and the outcome.

Subjects/Keywords: 612; Chest wall reflexes

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APA (6^th Edition):

Magzoub, M. S. E. M. A. (1996). The representation of respiratory movements in the inferior olive. (Doctoral Dissertation). University College London (University of London). Retrieved from https://discovery.ucl.ac.uk/id/eprint/10103451/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321646

Chicago Manual of Style (16^th Edition):

Magzoub, Mohammed Salah Eldin Mohammed Ali. “The representation of respiratory movements in the inferior olive.” 1996. Doctoral Dissertation, University College London (University of London). Accessed March 05, 2021. https://discovery.ucl.ac.uk/id/eprint/10103451/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321646.

MLA Handbook (7^th Edition):

Magzoub, Mohammed Salah Eldin Mohammed Ali. “The representation of respiratory movements in the inferior olive.” 1996. Web. 05 Mar 2021.

Vancouver:

Magzoub MSEMA. The representation of respiratory movements in the inferior olive. [Internet] [Doctoral dissertation]. University College London (University of London); 1996. [cited 2021 Mar 05]. Available from: https://discovery.ucl.ac.uk/id/eprint/10103451/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321646.

Council of Science Editors:

Magzoub MSEMA. The representation of respiratory movements in the inferior olive. [Doctoral Dissertation]. University College London (University of London); 1996. Available from: https://discovery.ucl.ac.uk/id/eprint/10103451/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321646

19. Steen, Hans. Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden.

Degree: 1981, Erasmus University Medical Center

URL: http://hdl.handle.net/1765/31601

► textabstractDe reflexen stabilisatie van die de verantwoordelijk zijn ogen in de ruimte voor: de zijn sedert tientallen jaren uitvoerig onderzocht. Doordat. het konijn in gefixeerde… (more)

Subjects/Keywords: eye; optokinetic reflex; rabbit; reflexes

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APA (6^th Edition):

Steen, H. (1981). Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden. (Doctoral Dissertation). Erasmus University Medical Center. Retrieved from http://hdl.handle.net/1765/31601

Chicago Manual of Style (16^th Edition):

Steen, Hans. “Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden.” 1981. Doctoral Dissertation, Erasmus University Medical Center. Accessed March 05, 2021. http://hdl.handle.net/1765/31601.

MLA Handbook (7^th Edition):

Steen, Hans. “Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden.” 1981. Web. 05 Mar 2021.

Vancouver:

Steen H. Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden. [Internet] [Doctoral dissertation]. Erasmus University Medical Center; 1981. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/1765/31601.

Council of Science Editors:

Steen H. Oogbewegingen in drie dimensies bij het konijn onder passieve en actieve omstandigheden. [Doctoral Dissertation]. Erasmus University Medical Center; 1981. Available from: http://hdl.handle.net/1765/31601

Michigan State University

20. Parker, Paul Edwin, 1945-. Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system.

Degree: PhD, Department of Physiology, 1972, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:35046

Subjects/Keywords: Chemoreceptors; Reflexes; Cardiovascular system

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APA (6^th Edition):

Parker, Paul Edwin, 1. (1972). Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:35046

Chicago Manual of Style (16^th Edition):

Parker, Paul Edwin, 1945-. “Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system.” 1972. Doctoral Dissertation, Michigan State University. Accessed March 05, 2021. http://etd.lib.msu.edu/islandora/object/etd:35046.

MLA Handbook (7^th Edition):

Parker, Paul Edwin, 1945-. “Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system.” 1972. Web. 05 Mar 2021.

Vancouver:

Parker, Paul Edwin 1. Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system. [Internet] [Doctoral dissertation]. Michigan State University; 1972. [cited 2021 Mar 05]. Available from: http://etd.lib.msu.edu/islandora/object/etd:35046.

Council of Science Editors:

Parker, Paul Edwin 1. Role of the carotid body chemoreceptors in the reflex regulation of the cardiovascular system. [Doctoral Dissertation]. Michigan State University; 1972. Available from: http://etd.lib.msu.edu/islandora/object/etd:35046

Michigan State University

21. Kotses, Harry. Effects of orienting and defensive reflexes in classical conditioning.

Degree: PhD, Department of Psychology, 1968, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:34949

Subjects/Keywords: Conditioned response; Reflexes; Behaviorism (Psychology)

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APA (6^th Edition):

Kotses, H. (1968). Effects of orienting and defensive reflexes in classical conditioning. (Doctoral Dissertation). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:34949

Chicago Manual of Style (16^th Edition):

Kotses, Harry. “Effects of orienting and defensive reflexes in classical conditioning.” 1968. Doctoral Dissertation, Michigan State University. Accessed March 05, 2021. http://etd.lib.msu.edu/islandora/object/etd:34949.

MLA Handbook (7^th Edition):

Kotses, Harry. “Effects of orienting and defensive reflexes in classical conditioning.” 1968. Web. 05 Mar 2021.

Vancouver:

Kotses H. Effects of orienting and defensive reflexes in classical conditioning. [Internet] [Doctoral dissertation]. Michigan State University; 1968. [cited 2021 Mar 05]. Available from: http://etd.lib.msu.edu/islandora/object/etd:34949.

Council of Science Editors:

Kotses H. Effects of orienting and defensive reflexes in classical conditioning. [Doctoral Dissertation]. Michigan State University; 1968. Available from: http://etd.lib.msu.edu/islandora/object/etd:34949

Montana State University

22. Koebbe, Mark J. Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms.

Degree: MS, College of Letters & Science, 1985, Montana State University

URL: https://scholarworks.montana.edu/xmlui/handle/1/5567

Subjects/Keywords: Reflexes.; Testing.; Cats.; Pain.; Physiology.

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APA (6^th Edition):

Koebbe, M. J. (1985). Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms. (Masters Thesis). Montana State University. Retrieved from https://scholarworks.montana.edu/xmlui/handle/1/5567

Chicago Manual of Style (16^th Edition):

Koebbe, Mark J. “Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms.” 1985. Masters Thesis, Montana State University. Accessed March 05, 2021. https://scholarworks.montana.edu/xmlui/handle/1/5567.

MLA Handbook (7^th Edition):

Koebbe, Mark J. “Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms.” 1985. Web. 05 Mar 2021.

Vancouver:

Koebbe MJ. Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms. [Internet] [Masters thesis]. Montana State University; 1985. [cited 2021 Mar 05]. Available from: https://scholarworks.montana.edu/xmlui/handle/1/5567.

Council of Science Editors:

Koebbe MJ. Factors altering crossed extensor reflex excitability in decerebrate cats : relation of reflex response to pain summative mechanisms. [Masters Thesis]. Montana State University; 1985. Available from: https://scholarworks.montana.edu/xmlui/handle/1/5567

23. Pineda, Enrique. Evaluation and treatment of patients with stroke: an emg and h-reflex study.

Degree: 2002, Texas Woman's University

URL: http://hdl.handle.net/11274/3566

► This study consisted of four experiments that investigated the soleus H-reflex and soleus/tibialis anterior muscle pair activation in healthy subjects and patients with cerebrovascular accident… (more)

▼ This study consisted of four experiments that investigated the soleus H-reflex and soleus/tibialis anterior muscle pair activation in healthy subjects and patients with cerebrovascular accident (CVA) or stroke. In Experiment 1, the purpose was to establish test-retest reliability of the soleus H-reflex for both groups during gait-simulated postures between two days. Experiment 2 investigated soleus H-reflex amplitudes and soleus/tibialis anterior EMG activation during gait-simulated postures in healthy adults. Experiment 3 compared the two groups average soleus H-reflex amplitudes and related soleus/tibialis anterior EMG recorded in gait-simulated postures. Experiment 4 assessed (using soleus H-reflex and tibialis anterior EMG) the effects of an exercise program intended to improve the patients' motor control at the ankle joint determined by improvements in gait speed. Ten healthy subjects and 9 patients participated in Experiment 1; Experiment 2 included 21 healthy subjects; Experiment 3 included 21 healthy subjects and 9 patients; and 9 patients participated in Experiment 4. Soleus H-reflex amplitudes and soleus/tibialis anterior EMG activity were recorded for both groups in each of five gait-simulating postures (N: freestanding, PO: push-off, HC: heel-contact, SW: swing and MS: mid-stance) for experiments 1-3. Patients participated in a 4-week exercise (3 sessions/week) that consisted of repetitive ankle dorsiflexion of the paretic limb that simulated the swing phase (open chain) of the gait cycle. Pre- and post-training gait speed measures for self-paced and fast-paced gait speed, soleus H-reflex, and soleus/tibialis anterior EMG were recorded. Results of Experiment 1 showed test-retest of the soleus H-reflex was high for each posture in both groups. Experiment 2 showed a relationship between normal gait and gait-simulated postures for soleus H-reflex/EMG activation. The results of Experiment 3 found the patient group exhibited a lack of inhibition of the soleus H-reflex amplitude in postures HC and SW compared to the healthy subjects. In Experiment 4 results, the patient group had a significant improvement for gait speed in the fast-paced gait condition only. Individual comparisons of pre- and post-training results showed that the majority of patients improved in their control of soleus inhibition and tibialis anterior activation.

Subjects/Keywords: Cerebrovascular disease; Electromyography; Reflexes – Testing

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APA (6^th Edition):

Pineda, E. (2002). Evaluation and treatment of patients with stroke: an emg and h-reflex study. (Thesis). Texas Woman's University. Retrieved from http://hdl.handle.net/11274/3566

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):

Pineda, Enrique. “Evaluation and treatment of patients with stroke: an emg and h-reflex study.” 2002. Thesis, Texas Woman's University. Accessed March 05, 2021. http://hdl.handle.net/11274/3566.

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

MLA Handbook (7^th Edition):

Pineda, Enrique. “Evaluation and treatment of patients with stroke: an emg and h-reflex study.” 2002. Web. 05 Mar 2021.

Vancouver:

Pineda E. Evaluation and treatment of patients with stroke: an emg and h-reflex study. [Internet] [Thesis]. Texas Woman's University; 2002. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/11274/3566.

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

Council of Science Editors:

Pineda E. Evaluation and treatment of patients with stroke: an emg and h-reflex study. [Thesis]. Texas Woman's University; 2002. Available from: http://hdl.handle.net/11274/3566

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

University of Melbourne

24. Tan, Joy Lynn. The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease.

Degree: 2019, University of Melbourne

URL: http://hdl.handle.net/11343/235753

► Postural instability is one of the cardinal symptoms of Parkinson’s disease (PD). Postural instability can present on diagnosis, and commonly becomes more prominent with disease… (more)

▼ Postural instability is one of the cardinal symptoms of Parkinson’s disease (PD). Postural instability can present on diagnosis, and commonly becomes more prominent with disease progression, resulting in subsequent falls and diminished quality of life. The treatment of postural instability is challenging, as it is often refractory to management with levodopa and deep brain stimulation of conventional targets such as the subthalamic nucleus. To assess postural instability, the most commonly used measure in the clinical setting is the pull test according to item 30 of the Unified Parkinson’s disease rating scale (UPDRS), where an examiner performs a brisk backward tug at the patient’s shoulder level and grades the corrective response. While easy to administer, outcomes can vary due to variability in test administration and interpretation. A comprehensive literature review revealed laboratory based assessments provided a more objective method to measure postural responses compared to clinical assessments in people with PD. These techniques were conventionally employed in people with PD in later disease stages who already demonstrate postural instability. Laboratory based assessments presented a method to identify abnormalities before postural instability is clinically evident and effects of therapies. The recent development of instrumentation of clinical balance tests offered an alternative technique to precisely quantify postural responses. Here, we developed an instrumented version of the pull test and investigate its utility to quantify postural instability in people with PD ranging from mild to moderate disease severity. In Study 1, the sensitivity of the instrumented pull test was investigated in healthy young participants. Postural responses were modified by presenting a startling auditory stimulus concurrent with the backwards pull. Such stimuli evoke StartReact effects and are known to speed reaction times. The instrumented pull test could detect small 10 ms decreases in postural reaction time evoked by the startling stimulus. The ability to detect such changes in healthy individuals highlights the utility of instrumented techniques and justifies further investigation in people where changes to balance is of interest. Subsequently, the instrumented pull test was used to characterise postural responses in eighteen people with mild PD (Hoehn and Yahr less than 2) in Study 2. Subclinical abnormalities in trunk and step responses were detected in participants with mild PD compared to healthy controls. Furthermore, levodopa did not restore postural responses in participants with PD to that of healthy controls (Study 3). These findings demonstrate changes to postural stability can occur in mild disease. Abnormalities of postural responses which remain refractory to levodopa also suggest non-dopaminergic pathways may be implicated in the pathophysiology of postural instability in mild PD. Pedunculopontine deep brain stimulation (PPN DBS) is a therapy developed specifically to alleviate axial symptoms of gait and…

Subjects/Keywords: Balance; Postural instability; Postural reflexes; Pull test; Neurophysiology; Parkinson's disease

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APA (6^th Edition):

Tan, J. L. (2019). The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease. (Doctoral Dissertation). University of Melbourne. Retrieved from http://hdl.handle.net/11343/235753

Chicago Manual of Style (16^th Edition):

Tan, Joy Lynn. “The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease.” 2019. Doctoral Dissertation, University of Melbourne. Accessed March 05, 2021. http://hdl.handle.net/11343/235753.

MLA Handbook (7^th Edition):

Tan, Joy Lynn. “The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease.” 2019. Web. 05 Mar 2021.

Vancouver:

Tan JL. The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease. [Internet] [Doctoral dissertation]. University of Melbourne; 2019. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/11343/235753.

Council of Science Editors:

Tan JL. The utility of an instrumented pull test to evaluate postural instability in Parkinson’s disease. [Doctoral Dissertation]. University of Melbourne; 2019. Available from: http://hdl.handle.net/11343/235753

University of British Columbia

25. Krajina, Vladimir Peter Jan. Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat.

Degree: MS- MSc, Physiology, 1972, University of British Columbia

URL: http://hdl.handle.net/2429/33288

► Experiments were carried out to investigate the extent to which habituation of the flexor reflex depended on mechanisms operating at spinal interneurones. An attempt was… (more)

Subjects/Keywords: Rats.; Reflexes.; Reflex.; Aorta, Thoracic.

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APA (6^th Edition):

Krajina, V. P. J. (1972). Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat. (Masters Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/33288

Chicago Manual of Style (16^th Edition):

Krajina, Vladimir Peter Jan. “Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat.” 1972. Masters Thesis, University of British Columbia. Accessed March 05, 2021. http://hdl.handle.net/2429/33288.

MLA Handbook (7^th Edition):

Krajina, Vladimir Peter Jan. “Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat.” 1972. Web. 05 Mar 2021.

Vancouver:

Krajina VPJ. Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat. [Internet] [Masters thesis]. University of British Columbia; 1972. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/2429/33288.

Council of Science Editors:

Krajina VPJ. Effects of occlusion of the thoracic aorta on habituation of the flexor withdrawal reflex in the rat. [Masters Thesis]. University of British Columbia; 1972. Available from: http://hdl.handle.net/2429/33288

University of British Columbia

26. Sastry, Bhagavatual Sree Rama. Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex.

Degree: MS- MSc, Pharmaceutical Sciences, 1973, University of British Columbia

URL: http://hdl.handle.net/2429/33292

► The monoamine uptake blocking agents, imipramine HC1 (5 mg/kg i.v.) and desipramine HC1 (4.8 mg/kg i.v.), and the monoamine oxidase inhibitor, pargyline HC1 (30 mg/kg… (more)

Subjects/Keywords: Serotonin; Reflexes; Reflex, Monosynaptic

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APA (6^th Edition):

Sastry, B. S. R. (1973). Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex. (Masters Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/33292

Chicago Manual of Style (16^th Edition):

Sastry, Bhagavatual Sree Rama. “Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex.” 1973. Masters Thesis, University of British Columbia. Accessed March 05, 2021. http://hdl.handle.net/2429/33292.

MLA Handbook (7^th Edition):

Sastry, Bhagavatual Sree Rama. “Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex.” 1973. Web. 05 Mar 2021.

Vancouver:

Sastry BSR. Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex. [Internet] [Masters thesis]. University of British Columbia; 1973. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/2429/33292.

Council of Science Editors:

Sastry BSR. Serotonin involvement in the blockade of bulbospinal and recurrent inhibition of the monosynaptic reflex. [Masters Thesis]. University of British Columbia; 1973. Available from: http://hdl.handle.net/2429/33292

Michigan State University

27. DeYoung, Gerrit Earl, 1942-. Relationship between the orienting reflex and serial learning.

Degree: MS, Dept. of Psychology, 1969, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:10494

Subjects/Keywords: Reflexes; Learning, Psychology of

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

APA (6^th Edition):

DeYoung, Gerrit Earl, 1. (1969). Relationship between the orienting reflex and serial learning. (Masters Thesis). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:10494

Chicago Manual of Style (16^th Edition):

DeYoung, Gerrit Earl, 1942-. “Relationship between the orienting reflex and serial learning.” 1969. Masters Thesis, Michigan State University. Accessed March 05, 2021. http://etd.lib.msu.edu/islandora/object/etd:10494.

MLA Handbook (7^th Edition):

DeYoung, Gerrit Earl, 1942-. “Relationship between the orienting reflex and serial learning.” 1969. Web. 05 Mar 2021.

Vancouver:

DeYoung, Gerrit Earl 1. Relationship between the orienting reflex and serial learning. [Internet] [Masters thesis]. Michigan State University; 1969. [cited 2021 Mar 05]. Available from: http://etd.lib.msu.edu/islandora/object/etd:10494.

Council of Science Editors:

DeYoung, Gerrit Earl 1. Relationship between the orienting reflex and serial learning. [Masters Thesis]. Michigan State University; 1969. Available from: http://etd.lib.msu.edu/islandora/object/etd:10494

Michigan State University

28. Marquis, William James, 1941-. The medullary representation of the baroreceptor reflex.

Degree: MS, Dept. of Pharmacology, 1971, Michigan State University

URL: http://etd.lib.msu.edu/islandora/object/etd:14133

Subjects/Keywords: Nerves; Reflexes; Cardiovascular system

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APA (6^th Edition):

Marquis, William James, 1. (1971). The medullary representation of the baroreceptor reflex. (Masters Thesis). Michigan State University. Retrieved from http://etd.lib.msu.edu/islandora/object/etd:14133

Chicago Manual of Style (16^th Edition):

Marquis, William James, 1941-. “The medullary representation of the baroreceptor reflex.” 1971. Masters Thesis, Michigan State University. Accessed March 05, 2021. http://etd.lib.msu.edu/islandora/object/etd:14133.

MLA Handbook (7^th Edition):

Marquis, William James, 1941-. “The medullary representation of the baroreceptor reflex.” 1971. Web. 05 Mar 2021.

Vancouver:

Marquis, William James 1. The medullary representation of the baroreceptor reflex. [Internet] [Masters thesis]. Michigan State University; 1971. [cited 2021 Mar 05]. Available from: http://etd.lib.msu.edu/islandora/object/etd:14133.

Council of Science Editors:

Marquis, William James 1. The medullary representation of the baroreceptor reflex. [Masters Thesis]. Michigan State University; 1971. Available from: http://etd.lib.msu.edu/islandora/object/etd:14133

The Ohio State University

29. Drum, Bruce Alan. Additivity of the Stiles-Crawford effect for a Fraunhofer image.

Degree: PhD, Graduate School, 1973, The Ohio State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486741228239791

Subjects/Keywords: Biophysics; RETINAL REFLEXES; Fraunhofer lines

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APA (6^th Edition):

Drum, B. A. (1973). Additivity of the Stiles-Crawford effect for a Fraunhofer image. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1486741228239791

Chicago Manual of Style (16^th Edition):

Drum, Bruce Alan. “Additivity of the Stiles-Crawford effect for a Fraunhofer image.” 1973. Doctoral Dissertation, The Ohio State University. Accessed March 05, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1486741228239791.

MLA Handbook (7^th Edition):

Drum, Bruce Alan. “Additivity of the Stiles-Crawford effect for a Fraunhofer image.” 1973. Web. 05 Mar 2021.

Vancouver:

Drum BA. Additivity of the Stiles-Crawford effect for a Fraunhofer image. [Internet] [Doctoral dissertation]. The Ohio State University; 1973. [cited 2021 Mar 05]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486741228239791.

Council of Science Editors:

Drum BA. Additivity of the Stiles-Crawford effect for a Fraunhofer image. [Doctoral Dissertation]. The Ohio State University; 1973. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1486741228239791

30. Ferman, Lennard. Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique.

Degree: 1987, Erasmus University Medical Center

URL: http://hdl.handle.net/1765/40248

► textabstractThis thesis presents the results of oculomotor recordings obtained with a new type of scleral induction coil with which horizontal, vertical and torsional eye movements… (more)

▼ textabstractThis thesis presents the results of oculomotor recordings obtained with a new type of scleral induction coil with which horizontal, vertical and torsional eye movements were measured simultaneously. In Chapter II, the stability of gaze in these three dimensions was measured in eight emmetropic observers. Subjects held the head still or oscillated it at 0.16~0.67 Hz (amplitude about 10 deg) in the horizontal, vertical or torsional plane while fixating a point target at optical infinity. Veridical gaze and head coordinates were calculated with full correction for non-linear goniometric relations and for cross-coupling artifacts due to misalignments of the coil on the eye. The amount of gaze instability in the horizontal and vertical direction was virtually identical. With the head still, in either of these directions the mean standard deviation of gaze position (inclusive saccades) was about 7 min arc; mean non-saccadic retinal image speeds were 20-30 min arcjsec. During head oscillation these values increased to about 16 min arc and 1 deg/sec; a mean of about 2.5% of the head motion remained uncorrected by the compensatory eye movements. Gaze stability in the torsional plane was considerably inferior to that in the horizontal and vertical plane. With the head held still, the mean S.D. position was about 17 min arc; (short-term drift) of torsional gaze mean torsional non-saccadic retinal image speed was about 46 min arcjsec. Long-term drift, expressed as the S.D. of the mean of torsional gaze position in consecutive zero position measurements, was 2.14 deg. Gain of the torsional compensatory eye movements was frequency dependent and rose from about 0.26 in static conditions (0 HZ') tO~-:about 0.42 at 0.16 Hz and 0.64 at 0.67 Hz. The validity of Listing's law was reinvestigated in Chapter III by means of a direct test. Either eye of 4 subjects was measured monocularly. Eye positions were measured in Fick coordinates and ocular torsion values were compared to the theoretical ones predicted by Listing's law. During consecutive measurements in the primary position torsion values were close to zero although considerable fluctuations of torsion were seen. Short-term drift was about 8' min arc and long-term drift about 1.64 deg. Torsion values in the secondary positions were also close to zero. In the tertiary positions torsion in the direction as predicted by Listing's law and increasing with eccentricity was recorded. In the temporal quadrants mean torsion was quantitatively in agreement with Listing's law; torsion values in the nasal quadrants however showed systematically larger values and this discrepancy increased with eccentricity to more than 50%. Statistical support for this finding however, was seen only in 4 out of 8 eyes. Symmetry could be obtained by shifting the chosen horizontal primary position (gaze parallel to the midplane) in the temporal direction; as a consequence all measured torsion ·values would exceed the ones specified by Listing's law. Torsion values varied idiosyncratically among…

Subjects/Keywords: eye movements; head movements; ocular orientation; optokinetic reflexes; vestibulo-ocular reflexes

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

APA (6^th Edition):

Ferman, L. (1987). Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique. (Doctoral Dissertation). Erasmus University Medical Center. Retrieved from http://hdl.handle.net/1765/40248

Chicago Manual of Style (16^th Edition):

Ferman, Lennard. “Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique.” 1987. Doctoral Dissertation, Erasmus University Medical Center. Accessed March 05, 2021. http://hdl.handle.net/1765/40248.

MLA Handbook (7^th Edition):

Ferman, Lennard. “Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique.” 1987. Web. 05 Mar 2021.

Vancouver:

Ferman L. Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique. [Internet] [Doctoral dissertation]. Erasmus University Medical Center; 1987. [cited 2021 Mar 05]. Available from: http://hdl.handle.net/1765/40248.

Council of Science Editors:

Ferman L. Ocular orientation during head and eye movements : an evaluation with a three dimensional scleral induction coil technique. [Doctoral Dissertation]. Erasmus University Medical Center; 1987. Available from: http://hdl.handle.net/1765/40248

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