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Antagonistic otolith-visual units in cat vestibular nucleiThe nature of neural coding of visual (Vis) and vestibular (Vst) information on translational motion in the region of the vestibular nuclei was investigated using extracellular single-unit recordings in alert adult cats. Responses were recorded and averaged over 60 cycles of stimulation in the vertical and horizontal planes, which included the Vst (movement of the animal in the dark), Vis (movement within lighted visual surround), and combined Vis and Vst (movement of the animal within the lighted stationary visual surround). Data are reported on responses to stimulations along the axis showing maximal sensitivity. A small number of units were identified that showed an antagonistic relationship between their Vis and Vst responses (since they were maximally excited by Vis and by Vst stimulations in the same direction). Results suggest that antagonistic units may belong to an infrequently encountered, but functionally distinct, class of neurons.
Document ID
19930046514
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Daunton, Nancy G.
(NASA Ames Research Center Moffett Field, CA, United States)
Christensen, Carol A.
(Vassar College Poughkeepsie, NY, United States)
Date Acquired
August 16, 2013
Publication Date
May 22, 1992
Publication Information
Publication: New York Academy of Sciences, Annals
ISSN: 0077-8923
Subject Category
Life Sciences (General)
Accession Number
93A30511
Distribution Limits
Public
Copyright
Other

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