Abolished tilt suppression of the vestibulo-ocular reflex caused by a selective uvulo-nodular lesion.
case_report · Level V
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- Record sourced from PubMed, PMID 9932973.
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Abstract
Within the cerebellum several structures are considered to modulate the function of the vestibulo-ocular reflex (VOR). The nodulus and uvula have been implicated with the low-frequency components of the VOR, which are mediated by the velocity storage system. We report a patient with a selective lesion of the nodulus and ventral uvula. The findings suggest that nodulus and uvula normally exert an inhibitory effect on the velocity storage mechanism.
Medical subject headings
- Cerebellum
- Posture
- Reflex, Vestibulo-Ocular
- Uvula