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Trichromatic Theory
A theory of color vision that suggests our eyes can perceive color because they can detect three different wavelengths of light corresponding to red, green, and blue.
Helmholtz
A German physicist and physician known for his contributions to the understanding of the mechanisms of vision and hearing among other areas.
Color Vision
The ability of organisms to differentiate colors, achieved through the varying sensitivities of photoreceptor cells in the eyes.
Opponent-Process Theory
The theory of color vision suggesting that three kinds of cells respond by increasing or decreasing their rate of firing when different colors are present.
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