afterimage

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afterimage

 [af´ter-im″ij]
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.

af·ter·im·age

(af'ter-im'ij),
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.

afterimage

(ăf′tər-ĭm′ĭj)
n.
A visual image that persists after the visual stimulus causing it has ceased to act. Also called photogene.

afterimage

a visual sensation that continues after the stimulus ends. The image may appear in colors complementary to those of the stimulus.

Afterimage

A 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.