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FACILITATION PRODUCED BY CEREBELLAR STIMULATION

FACILITATION PRODUCED BY CEREBELLAR STIMULATION of Anatomy, BY H. W. * Northwestern University MedicaL Chicago, Illinois for publication January School, (Received 31, 1949) As EARLY as 1880 David Ferrier (4) in an extensive investigation on the nervous system observed muscular motor responses in the limbs, trunk, head following stimulation. Later Sherrington (18) was able to inhibit the extensor tone of decerebrate rigidity by similar excitation. However, Miller (7) observed an augmented muscular tonus as a consequence of applying strychnine to the cortex. Then Miller Banting (8) as well as Bremer (1) observed “rebound” muscular activity following the application of an electrical stimulus. Numerous workers since then have observed inhibition not only of tone in decerebrate animals but also of motor responses following electrical stimulation. Nevertheless, despite the numerous observations which have been made on animals either during or immediately after activation of the cerebellum by electrical means, few appear to have observed studied . It is only recently that produced by stimulation has been intensely studied (9, 10, 11, 12, 13, 15, 19). This paper presents the details of our observations upon of motor activity. iMETHODS In each of ten monkeys (Macaca mulatta) two cats under chloralosane, Nembutal, or chloralosane-Nembutal anesthesia, movements were http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

FACILITATION PRODUCED BY CEREBELLAR STIMULATION

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Publisher
The American Physiological Society
Copyright
Copyright © 1949 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
Publisher site
See Article on Publisher Site

Abstract

of Anatomy, BY H. W. * Northwestern University MedicaL Chicago, Illinois for publication January School, (Received 31, 1949) As EARLY as 1880 David Ferrier (4) in an extensive investigation on the nervous system observed muscular motor responses in the limbs, trunk, head following stimulation. Later Sherrington (18) was able to inhibit the extensor tone of decerebrate rigidity by similar excitation. However, Miller (7) observed an augmented muscular tonus as a consequence of applying strychnine to the cortex. Then Miller Banting (8) as well as Bremer (1) observed “rebound” muscular activity following the application of an electrical stimulus. Numerous workers since then have observed inhibition not only of tone in decerebrate animals but also of motor responses following electrical stimulation. Nevertheless, despite the numerous observations which have been made on animals either during or immediately after activation of the cerebellum by electrical means, few appear to have observed studied . It is only recently that produced by stimulation has been intensely studied (9, 10, 11, 12, 13, 15, 19). This paper presents the details of our observations upon of motor activity. iMETHODS In each of ten monkeys (Macaca mulatta) two cats under chloralosane, Nembutal, or chloralosane-Nembutal anesthesia, movements were

Journal

Journal of NeurophysiologyThe American Physiological Society

Published: Sep 1, 1949

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