Axonal branching in the trochlear and oculomotor nuclei of single vestibular neurons activated from the posterior semicircular canal nerve in the cat

Y. Uchino, N. Hirai, S. Suzuki, S. Watanabe

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Axonal branches of single vestibular neurons activated by stimulation of the ampullary nerve of the posterior semicircular canal in the cat were studied by means of local antidromic stimulation in the trochlear and the oculomotor nucleus. These vestibulo-ocular neurons were located in the rostral half of the descending vestibular nucleus and the lateral part of the medial vestibular nucleus. The majority of vestibulo-ocular neurons projecting to the inferior rectus motoneuron pool in the contralateral oculomotor nucleus was activated antidromically from the contralateral trochlear nucleus as well. This suggests that axonal branches of a single vestibular neuron project to both nuclei.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalNeuroscience Letters
Issue number3
Publication statusPublished - 1980
Externally publishedYes


ASJC Scopus subject areas

  • Neuroscience(all)

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