An electrophysiological method for the study of binocular rivalry |
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Authors: | William R Biersdorf Ted Lawwill |
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Institution: | 1. Department Of Opthalmology, Institute For Research In Vision, Ohio State University, Columbus, Ohio 2. Department of Opthalmology, University Of Louisville, Louisville, Kentucky
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Abstract: | A technique is described for recording cortical evoked responses from human Ss in binocular rivalry. Each target is illuminated with flickering light at different frequencies upon a steady background. While the S continuously indicates with a response key which target he is seeing, the cortical responses are tape recorded. The tape recording is later analyzed by average response computer separately for each eye, seeing and not seeing. This simultaneous record of the functioning of both eyes eliminates confounding variables found in earlier methods. Controls are included for rivalry changes during a stimulus cycle and for S motor response time. |
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