Differentiate between the trichromatic and opponent-process theories.
A. Trichromatic processes are involved in the perception of color, while the opponent mechanisms are involved in the perception of distance.
B. The opponent-process theory describes color processing early in the visual system, while the trichromatic theory describes color processing later in the visual system.
C. Trichromatic processes work within the retina itself, whereas opponent mechanisms operate both in the retina and at later stages of neuronal processing.
D. The trichromatic theory suggests that different types of rods in the retina respond to different ranges of wavelengths, while the opponent-process theory states that not all rods respond to long wavelengths of light.
Answer: C
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