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ACTION POTENTIALS IN "MOTOR" CORTEX EVOKED BY PERIPHERAL NERVE STIMULATION

ACTION POTENTIALS IN "MOTOR" CORTEX EVOKED BY PERIPHERAL NERVE STIMULATION I. MALIS,’ KARL H. PRIBRAM2 LAWRENCE KRUGER Department of Physiology, (Received for Yale University School of Medicine, New Haven, Connecticut publication March 13, 1952) THIS REPORT is the first of a series of studies which deal with the origin course of afferents to the primate precentral . This has generally been thought of as the final common path for all cortical activity or at least the main efferent path for the activity of the postcentral which is considered the major terminus of somatic afferents. In addition to afferents from other cortical areas, the precentral is known to receive afferents originating in the n. lateralis ventralis of the thalamus which in turn receives cerebellar projections via the superior cerebellar peduncle (4). Supported by the fact that action by stimulation of sense organs of the skin are limited under deep nembutal anesthesia to the postcentral region (7), it has been suggested that the function of afferents to the precentral region is to bring proprioceptive information to that part of the most directly connected with peripheral motor mechanisms. Two specific problems will be dealt with here. First an attempt has been made to determine whether the afferents to the motor are http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Neurophysiology The American Physiological Society

ACTION POTENTIALS IN "MOTOR" CORTEX EVOKED BY PERIPHERAL NERVE STIMULATION

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Publisher
The American Physiological Society
Copyright
Copyright © 1953 the American Physiological Society
ISSN
0022-3077
eISSN
1522-1598
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Abstract

I. MALIS,’ KARL H. PRIBRAM2 LAWRENCE KRUGER Department of Physiology, (Received for Yale University School of Medicine, New Haven, Connecticut publication March 13, 1952) THIS REPORT is the first of a series of studies which deal with the origin course of afferents to the primate precentral . This has generally been thought of as the final common path for all cortical activity or at least the main efferent path for the activity of the postcentral which is considered the major terminus of somatic afferents. In addition to afferents from other cortical areas, the precentral is known to receive afferents originating in the n. lateralis ventralis of the thalamus which in turn receives cerebellar projections via the superior cerebellar peduncle (4). Supported by the fact that action by stimulation of sense organs of the skin are limited under deep nembutal anesthesia to the postcentral region (7), it has been suggested that the function of afferents to the precentral region is to bring proprioceptive information to that part of the most directly connected with peripheral motor mechanisms. Two specific problems will be dealt with here. First an attempt has been made to determine whether the afferents to the motor are

Journal

Journal of Neurophysiology – The American Physiological Society

Published: Mar 1, 1953

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