Mental processing of chromatic signals (COLOR VISION) from the eye by the VISUAL CORTEX where they are converted into symbolic representations. Color perception involves numerous neurons, and is influenced not only by the distribution of wavelengths from the viewed object, but also by its background color and brightness contrast at its boundary.
Color Perceptions,Perception, Color,Perceptions, Color
D003214
Conditioning, Classical
Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus.
A perceptual phenomenon used by Gestalt psychologists to demonstrate that events in one part of the perceptual field may affect perception in another part.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000221
Adaptation, Ocular
The adjustment of the eye to variations in the intensity of light. Light adaptation is the adjustment of the eye when the light threshold is increased; DARK ADAPTATION when the light is greatly reduced. (From Cline et al., Dictionary of Visual Science, 4th ed)