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Afterimage of Perceptually Filled-in Surface

Shimojo, Shinsuke and Kamitani, Yukiyasu and Nishida, Shin'ya (2001) Afterimage of Perceptually Filled-in Surface. Science, 293 (5535). pp. 1677-1680. ISSN 0036-8075. https://resolver.caltech.edu/CaltechAUTHORS:20141112-135942868

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Abstract

An afterimage induced by prior adaptation to a visual stimulus is believed to be due to bleaching of photochemical pigments or neural adaptation in the retina. We report a type of afterimage that appears to require cortical adaptation. Fixating a neon-color spreading configuration led not only to negative afterimages corresponding to the inducers (local afterimages), but also to one corresponding to the perceptually filled-in surface during adaptation (global afterimage). These afterimages were mutually exclusive, undergoing monocular rivalry. The strength of the global afterimage correlated to a greater extent with perceptual filling-in during adaptation than with the strength of the local afterimages. Thus, global afterimages are not merely by-products of local afterimages, but involve adaptation at a cortical representation of surface.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1126/science.1060161DOIArticle
http://www.sciencemag.org/content/293/5535/1677PublisherArticle
Additional Information:© 2001 American Association for the Advancement of Science. Received 23 February 2001; accepted 15 June 2001. We thank L. Shams and B. Sheth for helpful comments, and S. Z. Smith for editorial assistance. Supported by California Institute of Technology and NTT Communication Science Laboratories.
Funders:
Funding AgencyGrant Number
CaltechUNSPECIFIED
NTT Communication Science LaboratoriesUNSPECIFIED
Issue or Number:5535
Record Number:CaltechAUTHORS:20141112-135942868
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141112-135942868
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:51674
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Nov 2014 00:48
Last Modified:03 Oct 2019 07:35

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