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Misbinding of color to form in afterimages

  • STEVEN K. SHEVELL (a1) (a2), REBECCA ST.CLAIR (a1) (a3) and SANG WOOK HONG (a1) (a3)
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.

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Corresponding author
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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Visual Neuroscience
  • ISSN: 0952-5238
  • EISSN: 1469-8714
  • URL: /core/journals/visual-neuroscience
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