afterimage

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Related to Afterimages: positive afterimage, negative afterimage

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.
References in periodicals archive ?
Washington, Nov 9 (ANI): Our brain forms 'complementary' afterimage after eyes stop looking at objects, Japanese researchers say.
Preserve's Web Site Unveiled at National Museum of Dance," afterimages, 4, no.
Affirming the encounters presented by the silicon-image of digital media, the contributors to Afterimages have shown that now, more than ever, Deleuze's thought retains its relevance to the study of film.
It is what the afterimage is of, not what the afterimage is or is like.
For instance, visual experiences of "seeing" phosphenes, seeing an object with blurred vision, seeing "double," having afterimages, and the like.
This "remains as a complicated, riddling afterimage in a whole cluster of utopian narratives that flourished over the turn of the century.
Keeping the display changing presumably prevented the ghostly afterimages of often-used programs from etching themselves on the monitor.
Some include afterimages, hallucinations, and hypnagogic and hypnopompic experiences.
Also, temporary irritation or the presence of afterimages (visual sensations occurring after the external cause has ceased) could last several days but eventually should disappear and cause no further problems.
Using negative afterimages that lasted for several minutes, Grusser, Krizic, and Weiss (1987) found that afterimages do sometimes appear to move in a continuous fashion when the eye moves saccadically, but only sometimes, particularly at the end of the saccade: Their subjects attended to a small foveal afterimage while saccading horizontally back and forth in the dark between two loudspeakers situated 39 [degrees] apart.
Expanding what we see through ordinary eyes, imagination correlates visual memories, afterimages and imagined changes in artworks.