Multiple Choice
How does the trichromatic theory (Young-Helmholtz theory) explain color vision?
A) The brain compares responses in one retinal area to responses in another.
B) The brain responds to the ratio of firing among three types of cones.
C) The brain has a red-versus-green system and a yellow-versus-blue system.
D) The brain compares the amplitude of an action potential to its velocity.
Correct Answer:

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Correct Answer:
Verified
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