Found insideA negative afterimage is more common, and is usually complementary to the original stimulus in color and brightness; for example, if the actual stimulus was ... Found inside – Page 95For example, if you stare at a blue object, then the afterimage color should be yellowish. Applying this principle of afterimage perception to the ... Found inside – Page 96Hering developed a different theory of color vision based on his work with afterimages . An afterimage is what you see if you gaze at a visual stimulus for ... Found inside – Page 256A confederate and a participant were asked to publicly name the color of the slides and then, in private, to name the color of the afterimage that appeared ... Found inside – Page 286(a) For a demonstration of the negative afterimage. Stare at one point in the picture while counting slowly to 40. A good point to look at is the inner ... Found inside – Page 138An Introduction to General Psychology Timothy J. Gannon. Physiological ... The first afterimage of a bright - yellow flash of light will be experienced as a projection of the yellow flash : this is the simultaneous , or positive , contrast . When the ... Found inside – Page 237... of afterimage shift only if they paid close attention to the blue slides—this occurred among participants who were either suspicious of the experiment ... Found inside – Page 104FIGURE 3.9 Demonstration of Afterimage Stare at the white dot in the center of this oddly colored flag for about 30 seconds, and then look at a white wall ... Found inside – Page 371Let the subject produce an afterimage, a subjective visual phenomenon projected upon the world of real objects, and let him measure the size (when the ... Found inside – Page 36Ewald Hering developed a different theory of color vision based on his work with afterimages. An afterimage is what you see if you stare at a visual ... Found insideWhile this theory has some research support and makes sense intuitively, it cannot explain some visual phenomena, such as afterimages and color blindness. Found insideFinally,if theimpression were coloured, the afterimage assumesthe complementary colour, greenishif the object were red, reddish ifit were green. Found inside – Page 177You will see an afterimage that is red and white. This also works with other colors in the opponent pairs. A white-on-black image will produce a ... Found inside – Page 103Experiences of one color after the removal of another are called negative afterimages. presumably, the explanation depends on cells somewhere in the nervous ... Found inside – Page 67Because an afterimage does not , so to speak , remember the distance of the page on which the stimulating square was printed , the size and distance of the ... Found inside – Page 23THE EFFECT OF STIMULUS FORM ON DISAPPEARANCE PHENOMENA IN THE VISUAL AFTERIMAGE J . BEATTIE MONAHAN ( Abstract of a thesis submitted for the B . A . Degree in Psychology , of The Queen ' s University of Baltast ) . Found inside – Page 98FIGURE 4.11 Afterimages Produced by the Opponent-Process Nature of Color Vision TRY THIS Stare at the black dot in the flag for at least thirty seconds and ... Found insideIf you stare at a green dot, you will see a red afterimage. ... Based on the existence of colour afterimages, Ewald Hering proposed the opponent process ... Found inside – Page 95In the same way , the trichromatic theory does not explain why staring at red should produce a green afterimage . A theory that does seem to be supported by color blindness and afterimages is Ewald Hering ' s opponent - process theory of ... Found inside – Page 265The positive after - image closely resembles the original sensation in quality and intensity ; the negative presents the conditions of light reversed as in a photographic negative . Illustration : To observe a positive after - image look steadily at a ... Found insideWhile this theory has some research support and makes sense intuitively, it cannot explain some visual phenomena, such as afterimages and color blindness. Found inside – Page 156For the afterimage of the surrounding area, you saw red, as the theory predicts. But what about the circle inside? Theoretically, you should see a gray or ... Found inside – Page 106Afterimages ( successive contrast ) If a person looks at a small yellow square for some time and holds his eyes still , there is a gradual loss of saturation — it looks somewhat faded out . This is simple sensory adaptation . If the eyes are now ... Found inside – Page 102When ducing a form of sensory adaptation called color afterimage. To demonstrate this effect for yourself, the afterimage fades, you can get back to reading ... Found inside – Page 79Opponent - process theory explains many of the facts of color vision , including negative afterimages . When a red light comes on in a semidarkened room ... Found inside – Page 51... the authors relied on their reports of the color of the afterimage — when we ... This example also lends force to claims that psychological and social ... Found inside – Page 58In addition, it cannot account for negative afterimages. If you stare at a square of a given colour for several seconds and then shift your gaze to a white ... Found inside – Page 160The principles of psychology. ... Boring, Langfeld, and Weld (1939) refer to Emmert' s law as an afterimage law; earlier, Ebbecke ( 1 929) proposed a theory ... Found inside – Page 154Unfortunately, in many countries, traffic signals use red and green lights to a form of sensory adaptation called colour afterimage. Found inside – Page 99For example, trichromatic theory cannot explain negative afterimages. To understand what an afterimage is, try this demonstration. Found insideAfterimage Usinga Red Adapting Stimulus Presentation. Students stare atthecenter of the red square(as previously described) for60s,to adapt primarilythe L ... Found inside – Page 182that in the auditory memory afterimage one is "dealing with a psychologically unique experience" where "there is no positive after-image in audition which ... Found inside – Page 295COMPLEMENTARY COLORS ARE SEEN IN NEGATIVE AFTERIMAGES AFTERIMAGES Both the Young - Helmholtz and Hering theories can account for another phenomenon of color vision , successive contrast . If you look steadily at a ... Found inside – Page 39The Young-Helmholtz theory fails to explain negative afterimages. ... For example, a green square produces a red afterimage, whereas a blue square produces ... Found inside – Page 251If visible persistence is a positive afterimage, or if it behaves like a positive ... exposure duration and the duration of positive visual afterimages. Found inside – Page 153To see an afterimage, stare at the black dot in the flag in Figure 4.12 for 30 ... Macmillan Magazines Ltd. APPLYING PSYCHOLOGY If you stare at a bright red ... Found insideAfterImages Afterimages, which might better be called aftersensations, occur in other senses than sight, but nowhere else with such definiteness. Found inside – Page 94Trichromatic theory suggests afterimages result from selective bleaching of cone photopigments during adaptation to a color stimulus . Found inside – Page 168While a subject is looking at the image, afterimages should ... The questions targeting the illusions of the visual afterimage illusions shown that the ... Found inside – Page 31Afterimages can be seen following either brief, intense illumination of the eye or ... In fact, the term 'afterimage' was used by Purkinje (1823) and it was ... Found inside – Page 274Color Afterimages Explained by the Opponent - Process Theory The opponent ... You will see that the colors in the afterimage are the complements of those in ... Found inside – Page 219Figure 6.25 Negative afterimages You can demonstrate the phenomenon of a negative afterimage by staring at the flag for 2 minutes , then looking at the ... Found inside... percept image imagen (f) persistente de memoria — memory afterimage imagen ... Purkinje afterimage imagen (f) persistente negativa — negative afterimage ... Found inside – Page 279... own behavior (commonly called “introspection”) and therefore have not been deemed suitable for "objective" psychology. However, afterimage reactions are ... Found inside – Page 12Granville Stanley Hall, Edward Bradford Titchener, Karl M. Dallenbach, Madison Bentley, Edwin Garrigues Boring, Margaret Floy Washburn. come " wholly involuntarily . " Certainly the memory afterimage in audition does not submit to Martin's ... Found inside – Page 100FIGURE 3.8 Afterimages The colors in the American flag shown here can be set right by performing a simple experiment. Stare at the dot in the center of the ... Found inside – Page 195Behavioral and Cognitive Psychology 26 (1998): 303-14, Dawidowicz, Lucy S. "Visualizing the Warsaw Ghetto." Shoah: A Reviezv of Holocaust Studies and ... Found insidea sufficiently extended surface, since this would also have interfered with the appearance of the afterimage. It seems certain, therefore, that there must ... Found inside – Page 43For example , the Young - Helmholtz theory fails to explain what is known as the negative afterimage . If you stare at a square of a given colour for ... Found inside – Page 190A color ' s complementary is opposite it on the wheel . Thus the complement of violet - blue is yellow . What are some other psychological aspects of color ? Afterimages . 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