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Published April 20, 1962 | public
Journal Article

Double Visual Learning in Split-Brain Monkeys


Split-brain monkeys (with forebrain divided) were trained to perform two contradictory visual tasks simultaneously, one task being presented to each eye. Usually one cerebral hemisphere dominated, but in some cases the two halves of the brain learned simultaneously. Contradictory color discriminations showed interference or transfer of learning until mid-brain commissures were also sectioned. The more extensive surgery failed to prevent transfer of simple brightness discriminations.

Additional Information

© 1962 American Association for the Advancement of Science. Received 14 November 1961. This report is a condensation of part of my doctoral dissertation for California Institute of Technology. Financial support was received from a National Science Foundation grant, G-3438, and from the Arthur McCallum Fund of California Institute of Technology. Dr. Harbans L. Arora performed all the surgery.

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August 19, 2023
October 23, 2023