According to the Trichromatic Theory (Young-Helmholtz Theory) of Color Vision

question 223

Multiple Choice

According to the trichromatic theory (Young-Helmholtz theory) of color vision, how do we perceive the difference between one color and another?

• A) by the velocity of action potentials produced by any given cone
• B) by the total amount of activity by cones in a particular area of the retina
• C) by the relative amount of excitation of three types of cones
• D) by the ratio between the activity of the cones and the activity of the rods

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