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Acta Otolaryngol Suppl. 1991;481:242-6.

Influence of vestibular and visual climbing fiber signals on Purkinje cell discharge in the cerebellar nodulus of the rabbit.

Author information

1
Department of Ophthalmology, R. S. Dow Neurological Sciences Institute, Good Samaritan Hospital & Medical Center, Portland, Oregon 97209.

Abstract

Extracellular recordings of the climbing fiber responses (CFRs) of single Purkinje cells were made in the cerebellar nodulus and ventral uvula of anesthetized pigmented rabbits. Natural vestibular and optokinetic stimuli were used to evoke responses from these Purkinje cells. Using a null response technique we sorted vestibularly-evoked CFRs into two canal-related categories. CFRs were related to either the ipsilateral anterior and contralateral posterior semicircular canal (iAC+cPC) or to the ipsilateral posterior and contralateral anterior semicircular canal (iPC+cAC). Both canal-related CFRs also responded to downward optokinetic stimulation.

PMID:
1927385
[Indexed for MEDLINE]

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