According to the Trichromatic (Young-Helmholtz) Theory, We Perceive Color by

question 20

Multiple Choice

According to the trichromatic (Young-Helmholtz) theory, we perceive color by

• A) the relative levels of activity by three types of cones.
• B) different velocities of impulses by each receptor in the retina.
• C) different frequencies of impulses by each receptor in the retina.
• D) a red-green system and a yellow-blue system.

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