The color aftereffects phenomenon predicts that, after staring at a bright red rectangle for a period of time, you will see a ________.
A) yellow rectangle when you look away at a white background
B) white circle when you look away at a white background
C) green rectangle when you look away at a white background
D) blue square when you look away at a white background

Question

Quizplus · Accepted Answer

The color aftereffects phenomenon is based on the principle of opponent-process theory, which suggests that colors are perceived through the opposition of color pairs: red-green, blue-yellow, and black-white. After staring at a bright red rectangle, the red-sensitive photoreceptors in your eyes become fatigued, making the green-sensitive photoreceptors more dominant when you look away. As a result, you will see a green afterimage when looking at a white background.

The Color Aftereffects Phenomenon Predicts That, After Staring at a Bright