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Chapter 9: Problem 8

______________ theory states that there are three types of cones in the retina, each of which responds primarily to a different color.

Short Answer

Expert verified
The theory is called the Trichromacy Theory or Young-Helmholtz Theory.

Step by step solution

01

Identify Cone Function

The first thing to note is that cones are one of two types of photoreceptive cells in the retina, the other being rods. Cones are responsible for color vision, and different types of cones are sensitive to different parts of the spectrum of light.
02

Recall the three colors

The theory asserts that there are three types of cones in the human eye, each responding primarily to a different color. The color sensitivities of the cones are specified as red, green, and blue.
03

Identify the Theory

This specific view of color vision is known as trichromacy theory. This theory proposes that the human eye perceives color due to the different sensitivities of the three types of cones. Each type of cone responds primarily to a different color (red, green, or blue) allowing us to distinguish between different colors.

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