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Science 17 April 1981:
Vol. 212. no. 4492, pp. 344 - 346
DOI: 10.1126/science.6782673
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Articles

Science, Vol 212, Issue 4492, 344-346
Copyright © 1981 by American Association for the Advancement of Science

articles

Cognitive interaction after staged callosal section: evidence for transfer of semantic activation

JJ Sidtis, BT Volpe, JD Holtzman, DH Wilson, and MS Gazzaniga

Sensory and cognitive functions were assessed in a right-handed male before and after partial and complete callosal commissurotomy. After the initial posterior section was made, there was no evidence of interhemispheric sensory transfer, although the left hemisphere did have access to stimulus-related semantic and episodic information from the right hemisphere. After the callosum was completely sectioned, this exchange was no longer observed.


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