With Respect to the Trichromatic and the Opponent-Process Theories of Color

Multiple Choice

With respect to the trichromatic and the opponent-process theories of color perception, which of the following statements is most likely to be true?

A) The trichromatic theory has largely been discredited.
B) The opponent-process theory has largely been discredited.
C) Trichromatic process works within the retina itself, whereas opponent mechanisms operate both in the retina and at later stages of neuronal processing.
D) The opponent-process theory describes color processing early in the visual system; trichromatic theory describes color processing later on in the visual system.