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Topic: Afterimage


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In the News (Mon 13 Feb 12)

  
  Afterimage - Wikipedia, the free encyclopedia
An afterimage is an optical illusion that occurs after looking away from a direct gaze at an image.
One of the most common afterimages is the bright glow that seems to float before one's eyes after staring at a light bulb or a headlight for a few seconds.
Afterimages are caused when the eye's photoreceptors, primarily those known as cone cells, adapt from the over stimulation and lose sensitivity.
en.wikipedia.org /wiki/Afterimage   (398 words)

  
 Exploratorium: Science Snacks: Afterimage
The area of the retina that was desensitized by the bright image does not respond as well to this new light input as the rest of the retina.
The apparent size of the afterimage depends not only on the size of the image on your retina, but also on how far away you perceive the image to be.
The afterimage is not actually on either surface, but on your retina.
www.exploratorium.edu /snacks/afterimage.html   (815 words)

  
 The Negative Afterimage Simulation:
This negative afterimage, as the name implies, looks similar to the original image, but differs in color.
However, many features of negative afterimages cannot be attributed to simple fatigue of the cones of a particular color class.
The Negative Afterimage simulation is a pretty basic simulation that is intended only to let you investigate the phenomenon of its namesake, the negative afterimage.
www.unm.edu /~toolson/435_afterimages_introduction.html   (1133 words)

  
 Afterimage Perception   (Site not responding. Last check: 2007-09-10)
This new experiment is an investigation of the effects of self-esteem on the influenceability of subjects' perception of a color afterimage.
It was predicted that subjects with lower self-esteem would be more likely to see an afterimage complimentary to the suggested color, while subjects with high self-esteem would experience an afterimage closer to the true compliment of the stimulus.
It was accepted that the stimulus in this experiment left an afterimage that scored a 9 on the scale by the experimenters, an afterimage complimentary to green.
www.alma.edu /departments/psychology/sp2000/amorec/amorec.htm   (1287 words)

  
 Afterimage, by Helen Humphreys, Reading Group Guide, Henry Holt and Company Publishers of Quality Books
Though not a fictionalized biography, Afterimage is indeed a sensitive, subtly moving historical novel: a story of big ideas, strong passions, aesthetic impulses, and personal secrets.
As historical and intellectual as it is aesthetic and visceral, Afterimage has much to teach us about the then-emerging technologies of photography and cartography, which both combine elements of art and science for purposes of representation and preservation.
Later, when Isabelle is crying after a fierce quarrel with Eldon, she thus confides in Annie: "Everything would be easier if I were you." And finally, before posing as the Divine Madonna, Annie thinks: "Perhaps [I] could be the mother of the Lord.
www.henryholt.com /readingguides/humphreys.htm   (1280 words)

  
 Journal of Vision - Afterimage colour affected by colour constancy, by Sakata
An afterimage colour following prior adaptation to visual stimuli is thought to be due to bleaching of photochemical pigments, or to a mechanism of neural adaptation on the retina.
In this paper, afterimage colours were measured by the blank rotation method, a series of very short-term blank of colour stimuli causes afterimage clearly, which contributed to know exact opponent colour.
The lines on the chromaticity diagram between a stimulus and an induced afterimage colour were not crossed at optical white point, but at white point of colour constancy.
www.journalofvision.org /3/12/64   (233 words)

  
 [No title]
To experience an afterimage take a look at a bright object, close your eyes, and retain a blur replica of this object.
Whatever the anatomical structures are involved, as long as the whole process is localized inside the head feeling the detachment of afterimages seems unnatural.
The afterimage is caused because an object is moving too fast for your brain to track it's path completely, so you only catch glimpses of the object's movement.
www.lycos.com /info/afterimage--afterimages.html   (459 words)

  
 AfterImage Show
This optical illusion is known as an afterimage.
After the array of dots stops moving, an afterimage of a familiar painting is revealed in the otherwise blank frame.
This happens because the afterimage subconsciously invokes the original image from their memory, neurologically combining it with the image from the eye.
www.we-make-money-not-art.com /archives/008085.php   (420 words)

  
 AfterImage Products
Benefit most by selecting and reviewing your assessments with a certified AfterImage Associates staff member who is trained to provide a client with context for the results, prioritize the data and help to identify careers suitable for each individual.
Although assessments can be administered independently a client stands to benefit most by selecting and reviewing their assessments with a certified AfterImage Associates staff member.
AfterImage staff is “Certified” Independent Test Administrators (ITA’S) of Wonderlic Basic Skills Testing to determine Ability-to Benefit/ATB eligibility.
www.afterimagenet.com /search.asp   (342 words)

  
 The Antigonish Review 126: Karin Cope Reviews After Image by Helen Humphreys
Helen Humphreys' widely and justly acclaimed second novel, Afterimage, is a finely paced, carefully researched, and exquisitely told historical tale of ambition, longing, and unrealized dreams.
Darwin is thus a shadowy but important figure in the narrative, as are numerous explorers; the mapping of Canada, particularly the arctic, takes up a good deal of imaginative space, as does a subtle elaboration of anti-colonial sentiment and various progressive views on class and the education of women.
As Humphreys acknowledges in her "Author's note," the story that Afterimage tells is in part inspired by the lives and images left by two historical female figures - the pioneering Victorian photographer, Julia Margaret Cameron, and one of her maids and models, Mary Hillier.
www.antigonishreview.com /bi-126/126-karincope.html   (860 words)

  
 Heinz History Center - AfterImage
AfterImage: Mill Life Remembered examines Western Pennsylvania mill life in the 1970s just prior to the collapse of the steel industry.
"AfterImage" includes 80 photographs from local photographer Richard Snodgrass that were taken in the Fall of 1977, during a return visit to his hometown of Beaver Falls, Pa. They are interpreted using his writings on life in the steel region north of Pittsburgh.
The photos use the mill towns along the Ohio and Beaver Rivers as the primary backdrop.
www.pghhistory.org /Heinz_Afterimage.asp   (112 words)

  
 The Atoms Family - Dracula's Library - Afterimage
You should have seen a faint image of the fl bat that you were staring at.
The cause of the afterimage is thought to be an adaptation of the sensory mechanism to a repeated or uninterrupted stimulus.
This created an afterimage when you moved your eyes to the white box.
www.miamisci.org /af/sln/dracula/afterimage.html   (226 words)

  
 AfterImage: Reviews, Discography, Audio Clips, and more ||| Music.com
Afterimage, a Los Angeles new wave band that have been around since the early 1980s, only featured one original member, Daniel Voznick, by the time of this 2001 release.
The music of AfterImage is highly melodic, at times set amidst a hard rock ambience of gritty guitar and organ, or placed tenderly against soft, quiet instrumentation.
On previous AfterImage albums, its hard rock music has featured pop-influenced melodies, comparable to the style of Bon Jovi and Firehouse.
www.music.com /group/afterimage/1   (302 words)

  
 Phenomena Cross Reference - AFTERIMAGE   (Site not responding. Last check: 2007-09-10)
for about a second, the afterimage is 'positive', and then it turns to 'negative', often with fleeting colors.
The positive phase is due to after-discharge of the receptors of the retina; the negative phase is caused by loss of sensitivity of the receptors as a result of bleaching of the photo-pigments by the intense light.
Afterimages can be annoying, but they are usually ignored or suppressed.
www.exploratorium.edu /xref/phenomena/afterimage.html   (99 words)

  
 Amazon.com: Afterimage: Books: Jaye Roycraft   (Site not responding. Last check: 2007-09-10)
Afterimage is about Drago, a vampire enforcer who must make sure that the other vampires obey the rules set forth by the Directorate (The vampire council.) Drago finds out that someone is trying to destroy him and that someone is named Marya Jaks.
First introduced in DOUBLE IMAGE, it is primarily the story of Alek Dragovich, l'enforcier, the sometimes hated primary Enforcer of the Directorate, a vampire hierarchy beset by betrayal, corruption and jealousy.
AFTERIMAGE is a fast-paced story coupled with romantic suspense, action and drama.
www.amazon.com /Afterimage-Jaye-Roycraft/dp/1893896749   (2200 words)

  
 Afterimage
The afterimage of Drago’s neon blue eyes has haunted Marya from the first moment she encountered him in her bedroom, but will the image signify her destruction, or a bond so powerful it can overcome a legacy of hatred.
AFTERIMAGE will capture the reader's attention from the first page with its vivid narrative, compelling characters and exquisitely paced and plotted story.
AFTERIMAGE is an entertaining multifaceted novel including points of intrigue and romance set within the vampire subculture in contemporary time.
www.imajinnbooks.com /afterimage.htm   (544 words)

  
 Afterimage Internships   (Site not responding. Last check: 2007-09-10)
Interns may work on a level that reflects their current capabilities and receive guidance from the Afterimage staff in specialized areas such as fact-checking articles, updating Afterimage's World Wide Web page, design and production in a Macintosh environment, promotion and distribution, and researching and writing news stories and reviews.
Afterimage makes every effort to review or make note of every book, periodical, and CD-ROM sent to us by publishers.
Strong writing and/or graphic design ability, computer/organizational ability and research skills are a must, as is an interest in the media arts and cultural criticism.
www2.rpa.net /~vsw/afterimage/intern.htm   (311 words)

  
 Alternative Magazines :: NewPages Guide :: Afterimage   (Site not responding. Last check: 2007-09-10)
We have recently expanded our scope to include issues of media literacy, media education and media ecology pertinent to the field and the world we live in.
Afterimage is an unmatched resource and educational tool for artists, educators and professionals involved in all these endeavors and interests.
It is interdisciplinary both in topic, making connections among the visual arts and between the visual arts and other areas of study, and in voice, featuring writing by emerging and established artists and theorists.
www.newpages.com /magazineguide/afterimage.htm   (227 words)

  
 The Negative Afterimage Simulation:
  Use the default settings (fl stars on a white background) and stare at the cross in the center star until you get a good afterimage when you shift your gaze to the upper (all-white) panel.
  Focus on the crosshair in the center star until you get a good afterimage (15 – 30 sec should suffice), then move back from the screen while observing the afterimage.
This is not directly related to the negative afterimage phenomenon, but you might find it interesting to use the sliders and try to produce what are termed "non-spectral colors", i.e., colors that are not part of the spectrum) such as brown, grey, pink, or olive-green.
www.unm.edu /~toolson/435_afterimages_protocols.html   (649 words)

  
 Color afterimage   (Site not responding. Last check: 2007-09-10)
That is the fact that after looking at an image, your body creates an inverted version of the image, called an afterimage.
Your mind projects an afterimage of the color for you.
I'm taking a poetic license to use the concept of the afterimage in a wider sense.
www.wholeo.net /Color/afterImg.htm   (159 words)

  
 lyrics Rush Afterimage, Afterimage guitar tabs Rush, Afterimage bass tabs Rush, Afterimage text Rush, Afterimage ...   (Site not responding. Last check: 2007-09-10)
Rush Afterimage browse lyrics and guitar tablature, read biography of Rush and find out how Afterimage was written.
Download Afterimage guitar tabs, bass tabs and lyrics along with Rush other songs.
Read Afterimage lyrics and look for the song words or text you can't understand when you listen to the song.
musiceffect.com /rush/guitar/afterimage.html   (1158 words)

  
 purevolume™ | Afterimage
For a year now Afterimage has been soaring up the purevolume charts for unsigned Metal, Metalcore, and Death Metal, landing in the the top ten of each category with only demo quality recordings.
Now, Afterimage prepares for their first professional release; consiting of six of some of the most powerful and moving Metal songs that underground Metal has seen in years.
Email Afterimage (for booking, questions, comments, business, etc.) at afterimagemetal@hotmail.com
www.purevolume.com /afterimage   (276 words)

  
 Afterimage | Aftersensation | Photogene
There will be a dark spot in your new field of vision, where the bright light was a moment before.
This lingering visual impression is called afterimage, aftersensation, or photogene.
The human eye continuously converts light energy into signals travelling through the nervous system.
www.schorsch.com /kbase/glossary/afterimage.html   (91 words)

  
 Afterimage - Moviefone
After Image (2001) I figured this movie would be interesting to see because of the idea of an "after image" affecting the photographer character and how he deals with his,...
Afterimage - Trailer - Showtimes - Cast - Movies - New York Times Afterimage marked the first screen role for musician John Mellencamp since the 1990 feature...
Afterimage - Cast & Crew, movie showtimes, plot, synopsis, exclusive features, trailers, clips, theater listings, reviews, message boards, dvd, videos, rentals and more on Moviefone.
movies.aol.com /movie/afterimage/1190925/main   (162 words)

  
 Afterimage - Synopsis - Moviefone
But as Lora and Joe grow closer, she begins having nightmares that bear a striking resemblance to Rye's latest crimes, which have been carefully arranged so that Joe will be likely to find them first.
Afterimage marked the first screen role for musician John Mellencamp since the 1990 feature Falling From Grace, which he also directed.
From Leo's double Best Actor nods to Beyonce's first ever, find out who got the love and who got snubbed.
movies.aol.com /movie/afterimage/1190925/synopsis   (225 words)

  
 Afterimage - News
////Afterimage's newest release, "Burning Hands" is now available for listening on Pure Volume or Myspace!
Our new release, "Burning Hands", will be put up within the next couple weeks.
Be sure to check the Afterimage store every once in a while for new merchandise.
www.afterimagemetal.com   (645 words)

  
 Afterimage (disambiguation) - Wikipedia, the free encyclopedia
Afterimage or after image may also refer to:
Afterimage (band), one of the most successful Filipino pop/rock bands in the '90s
"Afterimage" (DS9 episode), seventh season episode of Star Trek: Deep Space Nine first broadcast on October 14, 1998
en.wikipedia.org /wiki/Afterimage_(disambiguation)   (135 words)

  
 afterimage
AfterImage is a site-specific installation produced by three leading UK scientists that provides a unique perspective on light and colour as part of the Dan Flavin: A Retrospective exhibition at the Hayward gallery.
Here, amidst Dan Flavin’s sculptures of light and colour, we discover that the relationship between the external world of light and our internal world of colour are far from simple and by exploring this complex relationship we can begin to understand how and why we see what we do.
Wimshurst project was conceived by Dr Mark Lythgoe and Jack Wells, Radiology and Physics Unit, UCL Institute of Child Health, UCL.
www.mlythgoe.com /19Afterimage.htm   (376 words)

  
 Visual Studies Workshop
VSW's Siskind Gallery, The Collector's Gallery and Bookstore are open at various time throughout the year.
Afterimage, the journal of media arts and cultural criticism, is published by VSW, as well as an extensive series of artists' books.
Artists residencies, access programs, and internships make the facilities available for the production of artworks and for scholarly research in VSW's extensive archives and library.
www.vsw.org   (341 words)

  
 Compare Prices and Read Reviews on Afterimage Magazine at Epinions.com
If you are interested in photography, independent film, visual books and electronic imaging, don't miss out on AFTERIMAGE, the bi-monthly journal of media arts and cultural criticism.
For over two decades AFTERIMAGE has provided insightful coverage of the latest developments in photography.
You should confirm all information before relying on it.
www.epinions.com /mags-Afterimage   (71 words)

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