Contralateral and ipsilateral transfer of a cutaneous discrimination in normal and callosum-sectioned cats.

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Abstract
12 normal cats showed significantly better contralateral transfer than 9 callosum-sectioned cats of a learned discrimination between passively received cutaneous stimuli. Equally important were the observations that even normal Ss were poorer in contralateral transfer than in ipsilateral transfer and that all callosum-sectioned Ss showed some degree of positive contralateral transfer. Results show that the corpus callosum participates in contralateral transfer of a discrimination between passively received cutaneous stimuli but that such participation is limited. The limited callosal participation is interpreted as due to restricted cortical involvement in the performance of the task. (PsycINFO Database Record (c) 2006 APA, all rights reserved)