Question

noah learned a visual trick in which he stares at a red circle for a period of time and then looks at a white circle, which he sees as green. this phenomenon, known as an afterimage, can be accounted for by the theory of color vision.

Answer 1

This would be opponent process

Step-by-step explanation:

Noah learned a visual trick in which he stares at a red circle for a period of time and then looks at a white circle, which he sees as green. this phenomenon, known as an afterimage, can be accounted for by the theory of color vision: opponent process