Examlex
Mitochondria contain their own DNA.
Trichromatic Theory
A theory of color vision that proposes three types of color receptor cells in the eye, each sensitive to red, blue, or green.
Opponent-Process Theory
A psychological and neurological model that explains how the perception of colors is controlled by the operation of opposing neural systems.
Frequency Theory
A theory in auditory perception that suggests the rate of nerve impulses traveling up the auditory nerve matches the frequency of a tone, enabling us to detect its pitch.
Afterimage
The lingering visual impression made by a stimulus that has been removed.
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