The opponent-process theory states that ____
a. ?light is converted into neural impulses very differently depending upon its color
b. ?cells in the visual system are sensitive to two colors of light, but not at the same time
c. ?there are three different types of receptor cells corresponding with the three primary colors of light
d. ?color is determined as different receptor cells compete with each other to fire the most neural impulses to the brain
ANSWER:
b
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