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ORIGIN OF CEREBELLAR WAVES

ORIGIN OF CEREBELLAR WAVES 1 R, S. SNIDER Departments of Anatomy2 Physiology, Northwestern University Medical SchooZ, Chicago, Illinois Department of Physiology, School of Medicine, University of Oregon, Portl, Oregon (Received for publication July 6, 1950) have led to the conclusion that the cerebellum is the source of two forms of spontaneous electrical activity. The fast, lowvoltage rhythm first described by Adrian (1) extensively studied by Dow (9) has been found to be characteristic of mammalian, avian reptilian cerebella (12), to be independent of extracerebellar connections (7, 16, 20), to appear in young animals simultaneously with the appearance of thymonucleic acid in the Purkinje cell nuclei (12). In earlier publicaCons (7, 16) we described patterns of potential changes in the cerebellar cortex believed to be produced by all-or-none alterations in single cerebellar neurons. The present study describes an attempt to localize the s of these two types of electrical changes, an inquiry into the mechanisms underlying them, METHODS PREVIOUS investigations The experiments were performed on unanesthetized cats subjected to intercollicular decerebration under ether at least one hour before the initiation of recordings. The anterior lobe of the cerebellum was exposed by removal of a portion of the tentorium. Body temperature was maintained within http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

ORIGIN OF CEREBELLAR WAVES

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Publisher
The American Physiological Society
Copyright
Copyright © 1951 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
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Abstract

1 R, S. SNIDER Departments of Anatomy2 Physiology, Northwestern University Medical SchooZ, Chicago, Illinois Department of Physiology, School of Medicine, University of Oregon, Portl, Oregon (Received for publication July 6, 1950) have led to the conclusion that the cerebellum is the source of two forms of spontaneous electrical activity. The fast, lowvoltage rhythm first described by Adrian (1) extensively studied by Dow (9) has been found to be characteristic of mammalian, avian reptilian cerebella (12), to be independent of extracerebellar connections (7, 16, 20), to appear in young animals simultaneously with the appearance of thymonucleic acid in the Purkinje cell nuclei (12). In earlier publicaCons (7, 16) we described patterns of potential changes in the cerebellar cortex believed to be produced by all-or-none alterations in single cerebellar neurons. The present study describes an attempt to localize the s of these two types of electrical changes, an inquiry into the mechanisms underlying them, METHODS PREVIOUS investigations The experiments were performed on unanesthetized cats subjected to intercollicular decerebration under ether at least one hour before the initiation of recordings. The anterior lobe of the cerebellum was exposed by removal of a portion of the tentorium. Body temperature was maintained within

Journal

Journal of Neurophysiology – The American Physiological Society

Published: May 1, 1951

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