July 2013
Volume 13, Issue 9
Free
Vision Sciences Society Annual Meeting Abstract  |   July 2013
Large shift in color appearance induced by motion in context
Author Affiliations
  • Sang Wook Hong
    Department of Psychology, Florida Atlantic University
  • Min-Suk Kang
    Department of Psychology, Sungkyunkwan University
Journal of Vision July 2013, Vol.13, 463. doi:10.1167/13.9.463
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      Sang Wook Hong, Min-Suk Kang; Large shift in color appearance induced by motion in context. Journal of Vision 2013;13(9):463. doi: 10.1167/13.9.463.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Hidden formatting deleted. Delete this text! none;mso-layout-grid-align:none;text-autospace:none">Color appearance is not solely determined by spectral light reflected from a surface or an object. Surrounding chromatic context modulates the perception of color. Here we present a novel and strong chromatic induction, in which color appearance of a dot, presented on a equiluminant equal-energy-spectrum (EES) ‘white’ background, is largely de-saturated by presenting a moving dot with physically identical chromaticity. The direction of shift in color appearance is consistent with the one observed after prolonged adaptation to chromatic contrast. However, this chromatic induction should be distinguished from the color shift by prolonged adaptation in that this appearance shift occurs instantaneously after some dots set in motion. Furthermore, this large shift in color did not occur either when moving dots were achromatic (black or white) or when the chromatic contrast of the moving dot was opposite to the chromatic contrast of the stationary dot. We conclude that this de-saturation of color appearance of the stationary dot result from the reduced chromatic contrast between the stationary and the background due to chromatic contrast normalization. We will discuss the role of the chromatic and luminance channels, and the ON and OFF chromatic channels.

Meeting abstract presented at VSS 2013

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