Afterimage - Wikipedia, the free encyclopedia
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An afterimage or ghost image is an optical illusion that refers to an image continuing to appear in one's vision after the exposure to the original image has ceased. One of the most common afterim...
en.wikipedia.org/wiki/Afterimage
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Thus, you see a green afterimage. The same applies to the other colors you see: the green will be replaced by a red afterimage, the yellow by a blue and the blue by a yellow afterimage. As you continue to observe the afterimage carefully, it fades and its color changes slightly.
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www.psychologie.tu-dresden.de/i1/kaw/diverses%20Materia...
www.psychologie.tu-dresden.de/i1/kaw/diverses%20Material/www.illusionworks.com/html/color_aftereffect.html
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Here’s another afterimage:; Look at the flag for about 15 seconds, then scroll down to the white space provided below. Notice how the ghostly image of the familiar “stars and stripes” appears. This afterimage occurs because red, white, and blue are the complementary colors of cyan, black, and yellow.
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www.exploratorium.edu/exhibits/bird_in_a_cage/bird_in_a...
www.exploratorium.edu/exhibits/bird_in_a_cage/bird_in_a_cage.html
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Other pairs of colors will also give color afterimages: blue and yellow, and black and white. Further, different shades of initial colors will give different shades of their afterimage colors.
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faculty.washington.edu/chudler/eyecol.html
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The human eye can see 7,000,000 colors. Some of these are eyesores. Certain colors and color relationships can be eye irritants, cause headaches, and wreak havoc with human vision. Other colors and color combinations are soothing.
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www.colormatters.com/optics.html
www.colormatters.com/optics.html
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I learned about opponent color processing in a nice little paper by neurophilosopher Paul Churchland named "Chimerical Colors", where he shows that the phenomenal color ... To see an afterimage, I have to stare at an extremely bright light. A video on a computer screen in normal room lighting isn't going to do it for me.
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scienceblogs.com/twominds/2009/07/color_after_image_dem...
scienceblogs.com/twominds/2009/07/color_after_image_demonstratio.php
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Science experiment 239. Reversing Flag. Seeing reverse afterimage colors. ... First you need a picture of an American flag. Not just any picture of a flag, but a very special one. We want a picture that has all of the wrong colors. ... Your eye ignores the blue part, and sees a yellow afterimage instead. For each color that you...
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nicholasacademy.com/scienceexperiment239reversingflag.h...
nicholasacademy.com/scienceexperiment239reversingflag.html
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The observed filling-in of afterimage colors strongly depends on contours presented after the colored stimulus, revealing color–contour interactions that resemble filling-in of ‘real’ colors...
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www.cell.com/current-biology/abstract/S0960-9822(09)008...
www.cell.com/current-biology/abstract/S0960-9822(09)00811-2
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(as in Experiment 1). For the various color combinations, the results revealed mixed afterimage colors, but also showed that the colors inside the subsequent ... Our results show that afterimage colors may spread to previously uncolored areas, triggered and constrained by contours presented after the colored image.
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www.nici.kun.nl/~robvl/VanLierPdFs/VanLierVergeerAnstis...
www.nici.kun.nl/~robvl/VanLierPdFs/VanLierVergeerAnstis%20Current%20Bio.pdf
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