You stare at a bright red sign for a minute, then look away to a white wall. You see a green afterimage on the white wall. This is consistent with the finding that afterimages are usually seen in colors complementary to the colors of the original image, confirming a prediction made by the ________ theory.

Question

Quizplus · Accepted Answer

The opponent-process theory suggests that color is processed in opponent pairs (red-green, blue-yellow, and black-white), and when one color is overstimulated, its opponent color becomes more dominant, leading to afterimages being seen in the complementary color.

You Stare at a Bright Red Sign for a Minute