While the opponent process theory is supported at the level of the ____, the trichromatic theory is supported at the level of the ____.
A) retina and brain; cones
B) cones; retina and brain
C) rods; cones
D) optic nerve; retina

Question

Quizplus · Accepted Answer

The opponent process theory is supported at the level of the retina and brain, where signals from opposing color channels (red-green, blue-yellow, black-white) are processed. Meanwhile, the trichromatic theory is supported at the level of the cones, which are specialized cells in the retina that detect color through the presence of three types of photopigments. Therefore, option A is the correct answer.

While the Opponent Process Theory Is Supported at the Level