Horizontal canal input to upper cervical commissural neurons

We studied in decerebrate, paralyzed cats, the effect of sinusoidal yaw rotation on upper cervical commissural neurons. The activity of some neurons was modulated by this stimulus, and they were classified as receiving input from the horizontal semicircular canal. The responses, which were mainly ty...

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Bibliographic Details
Published in:Experimental brain research 1993, Vol.92 (3), p.549-552
Main Authors: BOLTON, P. S, GOTO, T, WILSON, V. J
Format: Article
Language:English
Subjects:
Animals
Biological and medical sciences
Cats
Decerebrate State - physiopathology
Electric Stimulation
Fundamental and applied biological sciences. Psychology
Motor control and motor pathways. Reflexes. Control centers of vegetative functions. Vestibular system and equilibration
Neurons - physiology
Rotation
Semicircular Canals - physiology
Space life sciences
Spinal Cord - cytology
Spinal Cord - physiology
Vertebrates: nervous system and sense organs
Vestibule, Labyrinth - physiology
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Summary:We studied in decerebrate, paralyzed cats, the effect of sinusoidal yaw rotation on upper cervical commissural neurons. The activity of some neurons was modulated by this stimulus, and they were classified as receiving input from the horizontal semicircular canal. The responses, which were mainly type II, were well correlated with the velocity of the stimulus. These commissural neurons, some of them propriospinal, transmit horizontal canal signals to the contralateral ventral horn, presumably to motoneurons, as well as to more caudal levels of the spinal cord.
ISSN:0014-4819
1432-1106
DOI:10.1007/BF00229046