The trichromatic theory of colour vision seems reasonable, but it has trouble explaining _____, which be best explained by ______.

Question

Quizplus · Accepted Answer

The trichromatic theory of color vision, which posits that the eye detects colors through the relative rates of response by three types of cones sensitive to different wavelengths, cannot easily explain color afterimages. This phenomenon is better accounted for by the opponent process theory, which suggests that colors are perceived in terms of opposing pairs: red-green, blue-yellow, and black-white. This theory explains why, for example, staring at a green image and then looking away can result in seeing a red afterimage.

The Trichromatic Theory of Colour Vision Seems Reasonable, but It