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Subjective Visual Vertical And Otolith Compensation: Evaluating Off-Axis Rotation Stimulus In Healthy Controls, Eva Price
Undergraduate Honors Theses
The vestibular system senses changes in head position and is responsible for the brain’s perception of verticality. Vestibular dysfunction is caused by deficits in the semicircular canals and/or otolith end-organs with resulting symptoms including dizziness, vertigo, and unsteadiness. Current vestibular rehabilitation focuses on compensation of the semicircular canal-mediated vestibulo-ocular reflex through gaze and balance exercises. Little is known about rehabilitation of otolith organ function, yet research findings suggest that fall risk may be related to otolith dysfunction. A recent case study demonstrated improvement of vertical perception and balance following off-axis rotation in a rotary chair, showing that such stimulation may …