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The Oxford Compendium of Visual Illusions$
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Arthur G. Shapiro and Dejan Todorovic

Print publication date: 2017

Print ISBN-13: 9780199794607

Published to Oxford Scholarship Online: June 2017

DOI: 10.1093/acprof:oso/9780199794607.001.0001

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The Contrast Contrast Illusion

The Contrast Contrast Illusion

Chapter:
(p.337) Chapter 41 The Contrast Contrast Illusion
Source:
The Oxford Compendium of Visual Illusions
Author(s):

Charles Chubb

Joshua A. Solomon

George Sperling

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199794607.003.0041

To most observers, a patch of medium-contrast texture viewed against a background of high-contrast texture appears lower in contrast than an identical patch viewed against a homogeneous, mean gray background. This is the contrast contrast illusion. This chapter reviews basic findings concerning this illusion; for example, the contrast contrast illusion is selective for texture spatial frequency as well as for texture contrast polarity. Several theories to account for the illusion are discussed. Related concepts such as texture contrast, textual granularity, individual differences, contrast polarity, color and the contrast contrast illusion, and ecological accounts of the contrast contrast illusion are explored.

Keywords:   texture contrast, textual granularity, contrast polarity, color, contrast contrast illusion, ecological accounts

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