According to the opponent-process theory, if you stare at a red star for awhile (e.g., 60 seconds), 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

According to the opponent-process theory, if you stare at a red star for awhile (e.g., 60 seconds), 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

Quizplus · Accepted Answer

The opponent-process theory suggests that staring at a red image will fatigue the red photoreceptors, and when you look away, the opposing color, green, will be perceived as an afterimage.

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