afterimage


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Related to afterimage: positive 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

(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 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 ?
International awareness stretched beyond the Commonwealth, however, and Knirck peppers Afterimage with Statements made by party officials to undergird their positions on a range of issues--from their reliance on technocratic committees to the passing of draconian security measures--with Continental parallels.
Figure 3 illustrates how the perceived relative position of the Nonius lines and afterimages indicates the relative position of the eyes when fusion breaks.
Ito eliminated the theory that the afterimage was a manifestation of "retinal bleaching"-when the photoreceptors on the retina become ineffective or fatigued through prolonged exposure to light.
Afterimage GIS is an award winning geospatial information services consultancy.
Afterimage tells a satisfyingly romantic tale, full of the "swoons," "banishment" and "forgiveness" Annie relishes in her reading.
To convey the content of an ordinary visual experience, it is sufficient to say that it seems to the subject that a red bulgy tomato is on the table; likewise, to convey the content of an afterimage experience, or an experience of pain, it is sufficient to say that it seems to the subject that there is a red circular afterimage before her, or that it seems to the subject that there is a throbbing pain in her toe.
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.
The eponymous object forming the basis of Entry Table, 2016, was rendered inoperative through its twinning with a white doppelganger, inverted and set on its surface like a ghosted afterimage, while in Untitled (with cabinet) of the same year, McMakin enfolded a small blue metal table within a kind of minimalist bracket hung on the wall, straitjacketing its utility in a sort of wordless, three-dimensional recapitulation of Magritte's famous "pipe."
The entries for Best Foreign Language Film also include Dutch director Verhoeven's "Elle," a transgressive thriller starring French actress Isabelle Huppert, and "Afterimage," by the legendary Polish director Andrzej Wajda, who died Sunday.
Afterimage of empire; photography in nineteenth-century India.
After 90 seconds of intense light, the room plunges back into darkness for 30 seconds, with the images of the faces burnt on the memory in afterimage.
CREDITS: An Afterimage Public Media presentation of an Actual Films, Afterimage Public Media, Independent Television Service (ITVS) production in association with Ford Foundation and Impact Films with funding provided by the Corp.