Binocular rivalry in split-brain observers | Zendy

Robert P. O’Shea | Zendy; Paul M. Corballis | Zendy

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Binocular rivalry in split-brain observers

Author(s) -

Robert P. O’Shea,

Paul M. Corballis

Publication year - 2003

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/3.10.3

Subject(s) - binocular rivalry , rivalry , stimulus (psychology) , psychology , perception , neuroscience , cognitive psychology , visual perception , economics , macroeconomics

During binocular rivalry, visual perception switches between a stimulus viewed by one eye and a different stimulus viewed by the other. We studied rivalry in split-brain observers to test two explanations. Rivalry could reflect switching of activity between the cerebral hemispheres, or switching by a structure in the right frontoparietal cortex. From these two theories, we predict no rivalry when stimuli are presented to a split-brain observer's left hemisphere. Yet we found similar rivalry from the left and right hemispheres of the split-brain observers, consistent with switchings being mediated by low-level processes within each hemisphere.

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