Binocular summation over time in the perception of form at brief durations.

1 January 1968

journal article
Published by American Psychological Association (APA) in Journal of Experimental Psychology

Vol. 76 (3, Pt.1) , 331-336
https://doi.org/10.1037/h0025485

Abstract

MONOCULAR FORM-IDENTIFICATION ACCURACY WAS DETERMINED SEPARATELY FOR THE RIGHT AND LEFT EYES AT BRIEF EXPOSURE DURATIONS. SS WERE 5 18-30 YR. OLD FEMALES. DICHOPIC PRESENTATION TO CORRESPONDING AND TO NONCORRESPONDING AREAS WAS STUDIED WHEN THE SAME FORM STIMULUS WAS PRESENTED SIMULTANEOUSLY, IMMEDIATELY SUCCESSIVE, AND AT INTERSTIMULUS INTERVALS (ISIS) AS LONG AS 200 MSEC. INCREASED FORM IDENTIFICATION (SUMMATION) WAS FOUND WHEN THE DICHOPIC STIMULATION WAS TO CORRESPONDING AREAS OF THE 2 RETINAS AT ISIS < 10 MSEC. NO EVIDENCE FOR SUMMATION WAS OBTAINED AT ISIS > 50 MSEC. DICHOPIC STIMULATION TO NONCORRESPONDING RETINAL AREAS RESULTED IN A LEVEL OF IDENTIFICATION PERFORMANCE TO BE EXPECTED FROM 2 INDEPENDENT CHANCES TO PERCEIVE AT ALL ISI VALUES. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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