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.
Dance Archives Manual Wins MARAC Publications Award," afterimages, 3, 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.
There is always the past in present at any moment as the dark background holds an afterimage of forms that were there before.
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.
By contrast, in the ensuing section, a contrapuntal texture emerges extremely gradually in the quartet of winds, beginning from unmetered individual notes - a "distant peal of bells, very quiet" - that themselves emerge as resonant afterimages from quiet piano arpeggiations.
Every vision revealed here still has its afterimages in the consciousness of our church.
Expanding what we see through ordinary eyes, imagination correlates visual memories, afterimages and imagined changes in artworks.
Most TFT-LCD panels used in phones today have response times of 25ms, causing afterimages and ghosting, which reduce the picture quality for high-definition video.
Also exhibiting is Swiss artist Philippe Decrauzat, known for his black-and-white wall paintings, optical illusions that play with retinal afterimages.