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

(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 ?
"The young people we spoke to were mostly very positive about their lives in Merthyr and some scorned the media and others for presenting negative images of their hometown.
The dialogue creates such a image in the minds of viewers that Pakistanis are themselves admitting that the act by the General was rational ultimately creating highly negative image at worldwide level.
She told Lopez that it took a lot of time to digest that she has a negative image. However, she is also aware that she cannot change anyone's image of her except to prove it wrong.
At the moment, he noted, the Agency's efforts focus on reversing the negative image of Cyprus and regain investors' confidence.
The chief executive officer of Lloyds Banking Group (LON: LLOY), Antonio Horta-Osorio, said that the banking sector's negative image is impacting on the industry's ability to attract young people into the profession.
Some MPs assumed the negative image of the Parliament is created by people interested in this.
Renter Nation CEO Bill Deegan said that the cable TV offering “contributes to society's unfair negative image of residential renters.
Manama, April 29 (BNA) -- The three day gulfBID and gulfInterior expo was a resounding success that not only heralded the resurgence of the construction sector, but also helped correct the negative image of Bahrain portrayed to the world outside, said the exhibitors, visitors and the organizers.
Caglayan said, "as omitting 6 zeros from TL corrected its negative image, now, with the new icon the world will recognize it much more compared to past." According to Caglayan, TL had been used as currency in 186 countries' custom area in 2011.
"For televising to Earth, the negative image was then converted into electrical signals...."
THE RSPCA found new homes for more Staffordshire bull terriers in 2009 than any other type of dog - despite their negative image as "status dogs".
To what extent has the behaviour of those communities reinforced that negative image? And what can be done?