Evidence that some cones are especially sensitive to red light,others to green light,and still others to blue light is most directly supportive of the Young-Helmholtz

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The trichromatic theory, also known as the Young-Helmholtz theory, suggests that color vision depends on three types of cones, each of which is most sensitive to different wavelengths of light – short (blue), medium (green), and long (red/yellow). This theory also explains how we can perceive a wide range of colors through combinations of activation in these three types of cones. Therefore, evidence that some cones are more sensitive to certain wavelengths of light supports the trichromatic theory.

Evidence That Some Cones Are Especially Sensitive to Red Light,others