According to the opponent-process theory, if you stare at a red star for a while (say one minute or so), and then look at a plain sheet of white paper, you will see an afterimage of the star in which hue?
A) yellow
B) blue
C) green
D) red

Question

Quizplus · Accepted Answer

According to the opponent-process theory, staring at a red star for a while will cause the red-sensitive retinal cells to become fatigued. When you then look at a plain sheet of white paper, the green-sensitive retinal cells will be more active than the red-sensitive cells, resulting in an afterimage of the star in a greenish hue.

According to the Opponent-Process Theory, If You Stare at a Red