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In one study an enhanced vestibulo-ocular reflex was observed in patients with Meniere's disease, compared to healthy individuals.
While c-VEMP mainly assesses saccular function and the vestibulo collic reflex, o-VEMP assesses utricular function and the vestibulo-ocular reflex (VOR).
The vestibulo-ocular reflex adjusts our eye position to offset head movements.
Vestibulo-ocular reflex (VOR) nystagmus occurs during and following rotation of the body, and describes the response to movement of fluid in the inner ear and related saccadic refixations.
But experts increasingly contend that these balance measures do not assess the vestibulo-ocular system, which maintains visual stability during head movement.
Durante a movimentacao de cabeca, existe a integracao do sistema vestibular com os musculos extra--oculares, resultando em um movimento compensatorio dos olhos de igual velocidade e na direcao oposta ao do movimento cefalico, fenomeno denominado de reflexo vestibulo-ocular (RVO) (14-17).
Tais exercicios sao indicados para potencializar os mecanismos de adaptacao, habituacao e substituicao vestibular, estimulando o reflexo vestibulo-ocular e a tolerancia dos movimentos da cabeca.
One is adaptation of vestibulo-ocular reflex, (1), (14)-(16) and another is classical conditioning of eye-blink response.
Abbreviations: BPPV = benign paroxysmal positional vertigo, CDP = computerized dynamic posturography, CNS = central nervous system, DSI = dual sensory impairment, MSI = multisensory impairment, mTBI = mild traumatic brain injury, PIVC = parieto-insular vestibular cortex, PTSD = posttraumatic stress disorder, SVV = subjective visual vertical, TBI = traumatic brain injury, VOR = vestibulo-ocular reflex.
A complete vestibular examination was performed--including oculomotor tests (smooth pursuit, saccades, optokinesis, and gaze-evoked nystagmus), examination of the cranial nerves, vestibulo-ocular reflex testing (head-shaking test, etc.
This process, known as the vestibulo-ocular reflex, is affected by the directions sensed by the canals and the pull directions of the eye muscles.
Conjunctival, corneal, gag and carinal reflexes were absent along with the oculo-cephalic and vestibulo-ocular reflexes.