Differences between red and green color-mechanism characteristics: Interaction or artifact?*
- 1 December 1976
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America
- Vol. 66 (12) , 1430-1435
- https://doi.org/10.1364/josa.66.001430
Abstract
Sine-wave threshold characteristics of human color mechanisms inferred by superimposing red and green stimuli in opposite phases have roughly the same curve shapes as those measured under intense chromatic adaptation, but the latter technique yields considerably greater overall sensitivity for the green mechanism. The adaptive-artifact explanation for this discrepancy offered by Cavonius and Estévez is shown to be untenable.Keywords
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