Color contrast processing in human striate cortex.

  title={Color contrast processing in human striate cortex.},
  author={Robert W. Kentridge and Charles A. Heywood and Lawrence Weiskrantz},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={104 38},
Color constancy refers to the unchanging nature of the perceived color of an object despite considerable variation in the wavelength composition of the light illuminating it. The color contrasts between objects and their backgrounds play a crucial role in color constancy. We tested a patient whose right striate cortex had been removed and demonstrated that he made no use of color contrast in judging color appearance but instead made judgments based simply on wavelength comparison. This was… CONTINUE READING
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