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Mesencephalic control of lateral geniculate nucleus in primates. III. Modifications with state of alertness

Mesencephalic control of lateral geniculate nucleus in primates. III. Modifications with state of... 221 18 18 2 2 John R. Bartlett Robert W. Doty Jorge Pecci-Saavedra Paul D. Wilson Center for Brain Research University of Rochester Rochester USA General y Embriologia Instituto de Anatomia Paraguay 2155 Buenos Aires Argentina Psychology Department University of California 92502 Riverside California Summary Transmission through the lateral geniculate nucleus (LGN) undergoes large, sudden changes, as does excitability of striate cortex, in unanesthetized macaques and squirrel monkeys. Tactile or auditory stimuli, or brief stimulation of the mesencephalic reticular formation has a pronounced facilitatory effect if the monkey is moderately inattentive. However, when the monkey is fully alert, the mesencephalic stimulation may produce no enhancement. During slow-wave sleep, transmission through LGN is greatly curtailed, but excitability of striate cortex is dramatically augmented. Anesthesia, on the other hand, severely depresses both LGN and striate cortex. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experimental Brain Research Springer Journals

Mesencephalic control of lateral geniculate nucleus in primates. III. Modifications with state of alertness

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References (36)

Publisher
Springer Journals
Copyright
Copyright © 1973 by Springer-Verlag
Subject
Biomedicine; Neurosciences; Neurology
ISSN
0014-4819
eISSN
1432-1106
DOI
10.1007/BF00234725
Publisher site
See Article on Publisher Site

Abstract

221 18 18 2 2 John R. Bartlett Robert W. Doty Jorge Pecci-Saavedra Paul D. Wilson Center for Brain Research University of Rochester Rochester USA General y Embriologia Instituto de Anatomia Paraguay 2155 Buenos Aires Argentina Psychology Department University of California 92502 Riverside California Summary Transmission through the lateral geniculate nucleus (LGN) undergoes large, sudden changes, as does excitability of striate cortex, in unanesthetized macaques and squirrel monkeys. Tactile or auditory stimuli, or brief stimulation of the mesencephalic reticular formation has a pronounced facilitatory effect if the monkey is moderately inattentive. However, when the monkey is fully alert, the mesencephalic stimulation may produce no enhancement. During slow-wave sleep, transmission through LGN is greatly curtailed, but excitability of striate cortex is dramatically augmented. Anesthesia, on the other hand, severely depresses both LGN and striate cortex.

Journal

Experimental Brain ResearchSpringer Journals

Published: Sep 1, 1973

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