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Overlapping areas in the motor cortex of the baboon

Overlapping areas in the motor cortex of the baboon J. Physiol. I12, 392-399 (I95I) OVERLAPPING AREAS IN THE MOTOR CORTEX OF THE BABOON BY E. G. T. LIDDELL AND C. G. PHILLIPS From the University Laboratory of Physiology, University of Oxford (Received 4 May 1950) The use of variable parameters of electrical stimulation in on the experiments motor cortex to the definition of cortical gives opportunity reinvestigate of Ferrier areas (Fulton, 1949; Livingston, 1949). In the classical experiments (1873, 1876) and subsequent workers (Grunbaum Sherrington, 1901, 1903), the inductorium disclosed circumscribed foci for a number of movements large forming a motor of constant On the other map relatively pattern. hand, from clinical observations Jackson and more Walshe Hughlings (1890), lately (1943), well- recognized widely overlapping fields of origin-a belief the supported by known stimulations of the brain cortex by Penfield & Boldrey (1937). In observations on the motor cortex of the red monkey (Erythrocebus patas) we found that single pulses of adequate duration (5-25 msec.) elicited solitary movements of thumb and index from a area which large overlapped, medially, another large area from which similar movements of the hallux could be provoked. 1 With pulses msec. in duration at a frequency of 100 c.p.s., on the other hand, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Physiology Wiley

Overlapping areas in the motor cortex of the baboon

Liddell, E. G. T.; Phillips, C. G.
The Journal of Physiology , Volume 112 (3-4) – Jan 20, 1951
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References (8)

Publisher
Wiley
Copyright
© 2014 The Physiological Society
ISSN
0022-3751
eISSN
1469-7793
DOI
10.1113/jphysiol.1951.sp004536
Publisher site
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Abstract

J. Physiol. I12, 392-399 (I95I) OVERLAPPING AREAS IN THE MOTOR CORTEX OF THE BABOON BY E. G. T. LIDDELL AND C. G. PHILLIPS From the University Laboratory of Physiology, University of Oxford (Received 4 May 1950) The use of variable parameters of electrical stimulation in on the experiments motor cortex to the definition of cortical gives opportunity reinvestigate of Ferrier areas (Fulton, 1949; Livingston, 1949). In the classical experiments (1873, 1876) and subsequent workers (Grunbaum Sherrington, 1901, 1903), the inductorium disclosed circumscribed foci for a number of movements large forming a motor of constant On the other map relatively pattern. hand, from clinical observations Jackson and more Walshe Hughlings (1890), lately (1943), well- recognized widely overlapping fields of origin-a belief the supported by known stimulations of the brain cortex by Penfield & Boldrey (1937). In observations on the motor cortex of the red monkey (Erythrocebus patas) we found that single pulses of adequate duration (5-25 msec.) elicited solitary movements of thumb and index from a area which large overlapped, medially, another large area from which similar movements of the hallux could be provoked. 1 With pulses msec. in duration at a frequency of 100 c.p.s., on the other hand,

Journal

The Journal of Physiology – Wiley

Published: Jan 20, 1951

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