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Science 19 June 1959:
Vol. 129. no. 3364, pp. 1676 - 1678
DOI: 10.1126/science.129.3364.1676
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Articles

Antidromic Cortical Response to Stimulation of Isolated Pyramidal Tract

A. L. TOWE 1 and S. J. JABBUR 1

1 Department of Phlsiology and Biophysics, University of Washington School of Medicine, Seattle

Direct electrical excitation of the intact medullary pyramids evokes a complex cortical response. When the pyramidal tract was dissected away from the bulb and stimulated in isolation. the antidromic cortical response consisted of a simple, positive potential, regardless of the stimulus parameters. This finding necessitates a reinterpretation of previous results obtained by stimulation of the intact pyramids.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)