Monocular and Binocular Aftereffects of Chromatic Adaptation

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Science  27 Jan 1967:
Vol. 155, Issue 3761, pp. 463-465
DOI: 10.1126/science.155.3761.463


Supersaturated greens seen after long-wavelength adaptation depend upon contrast from the continuing afterdischarge of bleached "red" receptors in the surround, rather than merely upon inactivation from bleaching of "red" receptors in the test spot area. When test spot and bleach field coincide spatially, supersaturated greens are not seen. Since color mixing but not contrast was found binocularly, color contrast must be a retinal phenomenon.