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Oculomotor unit behavior in the monkey

Oculomotor unit behavior in the monkey in the Monkey PAST sTuDn3 of single- in the motor nuclei of the extraocular muscles have been few in number and have used such preparations as the anesthetized cat (26) or rabbit (22), or the paralyzed guinea pig (16). None of these preparations make many spontaneous eye movements, which must therefore be evoked by some form of vestibular stimulation. To obtain information on neuron more pertinent to man and associated with visual rather than vestibular stimuli, we undertook to record from single s, believed to be motoneurons, in the oculoinotor nucleus of tl ie intact, alert mon kev. The eye movemen ts of 1~101 lkevs are simi lar to those of man both in their temporal patterns (12) and in their range of excursion (& 50 deg horizontally) so that it is likely that the relationship between eye movements and the discharge patterns of ocular motoneurons in man and monkev will also be similar. The use of an alert, intact animal results in a great variety of spontaneous and optically driven saccaclic and smooth pursuit eye movements. In this study these movements were accuratelv recorded and a relation was sought between motoneuron discharge rate and eye position and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

Oculomotor unit behavior in the monkey

D. A. Robinson
Journal of Neurophysiology , Volume 33: 393 – May 1, 1970
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Publisher
The American Physiological Society
Copyright
Copyright © 1970 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
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Abstract

in the Monkey PAST sTuDn3 of single- in the motor nuclei of the extraocular muscles have been few in number and have used such preparations as the anesthetized cat (26) or rabbit (22), or the paralyzed guinea pig (16). None of these preparations make many spontaneous eye movements, which must therefore be evoked by some form of vestibular stimulation. To obtain information on neuron more pertinent to man and associated with visual rather than vestibular stimuli, we undertook to record from single s, believed to be motoneurons, in the oculoinotor nucleus of tl ie intact, alert mon kev. The eye movemen ts of 1~101 lkevs are simi lar to those of man both in their temporal patterns (12) and in their range of excursion (& 50 deg horizontally) so that it is likely that the relationship between eye movements and the discharge patterns of ocular motoneurons in man and monkev will also be similar. The use of an alert, intact animal results in a great variety of spontaneous and optically driven saccaclic and smooth pursuit eye movements. In this study these movements were accuratelv recorded and a relation was sought between motoneuron discharge rate and eye position and

Journal

Journal of Neurophysiology – The American Physiological Society

Published: May 1, 1970

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