The Opponent-Process Theory of Color Vision Is Based on the Idea

question 17

Multiple Choice

The opponent-process theory of color vision is based on the idea that the retina contains

• A)three types of simple receptors sensitive to red, green, and blue.
• B)three types of receptors, two sensitive to color and one to differences in brightness.
• C)three sets of cells responsive to brightness.
• D)three types of receptors responsive to primary colors.

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