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Article
February 1961

Contralateral Motor Irradiation-Cerebral Dominance: Its Changes in Hemiparesis

Author Affiliations

BRATISLAVA, CZECHOSLOVAKIA
From the Department of Clinical Electrophysiology of the Institute of Experimental Medicine, Slovak Academy of Science, and from the Department of Neurology, Comenius University.

Arch Neurol. 1961;4(2):165-172. doi:10.1001/archneur.1961.00450080047005
Abstract

Lt has been proved repeatedly that the activity of a part of the cerebral cortex influences the homologous part of the cortex on the opposite side. Bykov1 in 1925 reported that the conditioned salivary reflex to tactile stimuli of a certain point of the skin in the dog may be obtained also from the symmetrical point of the opposite side of the body. In the visual sphere Myers and Sperry,2-5 by ingenious experiments in the cat, recently demonstrated that the ability for pattern discrimination acquired by the visual cortex of one hemisphere is also present in the visual cortex of the opposite hemisphere. The experiments of Burešová and Bureš6 gave similar results with other methods. Stamm and Sperry7 report analogous observations in the somesthetic sphere. Dawson,8,9 stimulating sensory nerves, registered cortical evoked potentials both in the homologous and in the opposite senory region of the

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