Hering's opponent-process theory suggests that visual receptors are linked in pairs.The opposing pairs that he suggested were:
A)red-yellow, blue-green, and black-white
B)red-green, yellow-white, and blue-black
C)red-green, blue-yellow, and black-white
D)green-yellow, red-blue, and black-white

Question

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Hering's opponent-process theory suggests that there are three opposing pairs of visual receptors: red-green, blue-yellow, and black-white. This means that when one member of the pair is stimulated, the other is inhibited, creating an opposite effect. The choice of red-green and blue-yellow pairs is supported by experimental evidence, while the black-white pair is less well-established but still generally accepted. Option A has a red-yellow pair instead of a red-green pair, while option B has a yellow-white pair instead of a blue-yellow pair. Option D has a green-yellow pair instead of a red-green pair and a red-blue pair instead of a blue-yellow pair. Thus, option C is the best choice.

Hering's Opponent-Process Theory Suggests That Visual Receptors Are Linked in Pairs.The