THERMOCOAGULATION OF MOTOR CORTEX EXCLUSIVE OF ITS SIXTH LAYER

1 March 1941

journal article
research article
Published by American Physiological Society in Journal of Neurophysiology

Vol. 4 (2) , 147-152
https://doi.org/10.1152/jn.1941.4.2.147

Abstract

Thermocoagulation of the "motor" cortex[long dash]A.4[long dash]to include the fifth, or large and giant pyramidal ganglion-cellular layer results in marked diminution in amplitude and frequency of electrical potentials obtained from the coagulated area 2 mos. later. This finding is in contrast with essentially normal electrocorticograms obtained after a comparable period of time from the same cortical zone reduced to all but the 5th lamina. (DUSSER DE BARENNE, J. G., and MC CULLOCH, W. S. Kritisches und Experimenteles zur Deutung der Potentialschwank-ungen des Elektrocorticogramms. Z. ges. Neurol. Psychiat. 162 815-832, 1938). Long-lasting motor deficit is likewise found in the first instance.

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