The opponent-process theory would predict that after staring at a red dot for 60 seconds, and then looking at a blank white paper, you would report seeing a ____ afterimage.
A) green
B) red
C) black
D) yellow

Question

Quizplus · Accepted Answer

The opponent-process theory suggests that colors are perceived in terms of opposing pairs: red-green, blue-yellow, and black-white. Staring at a red dot tires the red-sensitive cells in your eyes, so when you then look at a blank white surface, the green-sensitive cells are more active, leading you to see a green afterimage.

The Opponent-Process Theory Would Predict That After Staring at a Red