A person with normal color vision sees yellow when both red-sensitive and green-sensitive cones are stimulated simultaneously.This fact is most directly supportive of
A) the opponent-process theory.
B) Weber's law.
C) the Young-Helmholtz theory.
D) dissociation theory.

Question

Quizplus · Accepted Answer

The statement about seeing yellow when both red-sensitive and green-sensitive cones are stimulated supports the Young-Helmholtz theory, which proposes that there are three types of color receptors (cones) in the human eye, each sensitive to different wavelengths of light (blue, green, red), and that all colors perceived by humans are a combination of these three cone responses. When red and green cones are stimulated simultaneously, the brain perceives this as the color yellow, which is a combination of red and green light.

A Person with Normal Color Vision Sees Yellow When Both