PROCESSING IN PERCEPTUAL INTEGRATION BETWEEN AND WITHIN THE CEREBRAL HEMISPHERES

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Abstract

Two experiments are described in which, by a divided visual field technique, simple non-verbal stimulus material is directed to either the right hemisphere, left hemisphere, or divided between the hemispheres. It is found that when material to be matched is shared between the hemispheres, response latencies are reduced, suggesting increased capacity for the processing of such information and supporting the hypothesis that each hemisphere contains its own processing and analysing system. When the material is directed to only one hemisphere, and a bimanual motor response required, a relative superiority of the right hemisphere is found. If the response required is a vocal response, then further relative blocking of the processing undertaken by the left hemisphere is observed.

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