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Associative plasticity and afferent regulation of corticospinal excitability in uninjured individuals and after incomplete spinal cord injury
DownloadFall 2009
Cortical representations are plastic and are allocated based on the proportional use or disuse of a pathway. A steady stream of sensory input maintains the integrity of cortical networks; while in contrast, alterations in afferent activation promote sensorimotor reorganization. After an...
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Clinical Utility of Proposed Gait Stability Measures: Selection, Application and Evaluation of the Extrapolated Centre of Mass
DownloadSpring 2019
Gait stability is the ability to maintain a state of equilibrium during locomotion. In humans, this includes the need to maintain a stable walking pattern while regularly positioning the body in a state of imbalance. Thus, it is not surprising that gait is accompanied by an increased risk of...
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External sensors for the feedback control of functional electrical stimulation assisted walking
DownloadFall 2010
Functional electrical stimulation (FES) is a rehabilitative technology that can be used to improve walking in individuals with mobility impairments due to neurologic injury or disease. Feedback is essential for efficient FES-assisted walking. The overall goal of my project was to investigate...
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Fall 2015
Inhibitory feedback from sensory pathways is important for controlling movement. In this thesis we characterize a long-latency inhibitory spinal pathway to ankle flexors that is activated by low-threshold, homonymous afferents. In non-injured participants, this pathway was activated by both...