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A TOF timer starts to accumulate time when the rung makes a true to false transition.
Opponent-Process Theory
The theory that opposing retinal processes (red-green, blue-yellow, white-black) enable color vision. For example, some cells are stimulated by green and inhibited by red; others are stimulated by red and inhibited by green.
Ewald Hering
A 19th-century physiologist known for his work on color vision and spatial perception.
Young-Helmholtz Theory
A theory of color vision proposing that the eye contains three types of color receptors, each sensitive to red, green, or blue wavelengths of light.
Wavelengths
The distance between two consecutive points of the same phase in a wave, often determining its characteristics like color in light waves.
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