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Misbinding of color to form in afterimages

Published online by Cambridge University Press:  06 March 2008

STEVEN K. SHEVELL ,
REBECCA ST.CLAIR  and
SANG WOOK HONG
STEVEN K. SHEVELL*
Affiliation:
Department of Psychology, University of Chicago, Chicago, Illinois Department of Ophthalmology & Visual Science, University of Chicago, Chicago, Illinois
REBECCA ST.CLAIR
Affiliation:
Department of Psychology, University of Chicago, Chicago, Illinois Department of Psychology, Vanderbilt University, Nashville, Tennessee
SANG WOOK HONG
Affiliation:
Department of Psychology, University of Chicago, Chicago, Illinois Department of Psychology, Vanderbilt University, Nashville, Tennessee
*
Address correspondence and reprint requests to: Steven K. Shevell, Visual Science Laboratories, The University of Chicago, 940 E 57thStreet, Chicago, IL 60637. E-mail: shevell@uchicago.edu
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Abstract

Under dichoptic viewing conditions, rivalrous gratings that differ in both color and form can give the percept of the color from one eye in part of the form in the other eye. This study examined the afterimage following such misbinding of color to form. The first experiment established that afterimages of the misbound percept were seen. Two possible mechanisms for the misbound afterimage are (1) persisting retinal representations that are rivalrous and subsequently resolved to give misbinding, as during rivalrous viewing, and (2) a persisting response from a central neural representation of the misbound percept with the form from one eye and color from the other eye. The results support afterimage formation from a central representation of the misbound percept, not from resolution of rivalrous monocular representations.

Keywords

AfterimageBinocular rivalryColor rivalryFeature binding
Type
Research Article
Information
Visual Neuroscience , Volume 25 , Issue 3 , May 2008 , pp. 355 - 360
Copyright
Copyright © Cambridge University Press 2008

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