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The motor output of the vestibular system is primarily integrated into vestibular reflexes: (a) the vestibulo-ocular reflex (VOR), (b) the vestibulospinal reflex (VSR), and (c) the vestibulocollic reflex (VCR).
These results support the hypothesis that dizziness is a major problem amongst the elderly community and suggest that it may be associated with specific impairments of the vestibular reflexes.
[16] Brandt has suggested that the pathogenesis of the nystagmus is the result of a "disinhibition" of the normal vestibular reflexes. [17] When the head is moved to an off-vertical or lateral position, the otolith organs change their neural firing rate and the disinhibition of this end-organ signal causes nystagmus and vertigo.