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

question 68

Multiple Choice

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

• 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.

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Definitions:

Trimethylaziridine

A chemical compound characterized by a three-membered ring structure containing nitrogen and three methyl groups.

Enantiomers

Mirror-image molecules that are non-superimposable, differing in the spatial arrangement of atoms, commonly affecting their chemical behavior in a chiral environment.

Basicity

A measure of the ability of a compound to act as a base and accept protons.

Aniline

An organic compound with the formula C6H5NH2, a primary amine derived from benzene, used in the manufacture of dyes, drugs, and plastics.