afterimage(redirected from After image)
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a visual impression persisting briefly after cessation of the stimuli causing the original image. In a positive afterimage the brights, darks, and colors remain unchanged; in a negative afterimage the brights and darks are reversed, and the colors are complementary.
Persistence of a visual response after cessation of a stimulus.
afterimage/af·ter·im·age/ (af´ter-im″aj) a retinal impression remaining after cessation of the stimulus causing it.
A visual image that persists after the visual stimulus causing it has ceased to act. Also called photogene.
a visual sensation that continues after the stimulus ends. The image may appear in colors complementary to those of the stimulus.
AfterimageA visual sensation that persists briefly when the eyes are turned toward a homogenous neutral background after visual stimulation. Afterimage is due to photochemical activity of the retina and may be negative, positive, or complementary.
af·ter·im·age, after-image (af'tĕr-im'ăj)
Persistence of a visual response after cessation of the stimulus.