The Young-Helmholtz theory of colour vision assumes that:
A)colour receptors exist in opposing pairs.
B)colour perception is determined by differences in the firing rates of three types of retinal cells.
C)there are three different types of cones.
D)all of the above

Question

Quizplus · Accepted Answer

The Young-Helmholtz theory, also known as the trichromatic theory, posits that there are three types of cones in the retina, each sensitive to red, green, or blue light.

The Young-Helmholtz Theory of Colour Vision Assumes That