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Example Notes Afterimage illusion An afterimage or ghost image is a visual illusion involving an image continuing to appear in one's vision after the exposure to the original image has ceased. Afterimage on empty shape (also known as color dove illusion) This type of illusion is designed to exploit graphical similarities. Ambiguous image
Allusion is an economical device, a figure of speech that uses a relatively short space to draw upon the ready stock of ideas, cultural memes or emotion already associated with a topic. Thus, an allusion is understandable only to those with prior knowledge of the covert reference in question, a mark of their cultural literacy .
One of the earliest examples of this type is the rabbit–duck illusion, first published in Fliegende Blätter, a German humor magazine. [1] Other classic examples are the Rubin vase, [2] and the "My Wife and My Mother-in-Law" drawing, the latter dating from a German postcard of 1888.
For example, Swiss, both young and old, tend to see a bunny during Easter and a bird/duck in October. [3] It may also indicate creativity. A standard test of creativity is to list as many novel uses as one can for an everyday object (e.g., a paper clip) in a limited time.
In the 1939 film The Adventures of Sherlock Holmes starring Basil Rathbone and Nigel Bruce, Professor Moriarty (George Zucco) baits Holmes by mailing him a drawing of a man with an albatross hung around his neck. In the 1940 film The Sea Hawk starring Errol Flynn, Albatross is the name of Captain Thorpe's pirate ship.
Other examples are the famous Müller-Lyer illusion and Ponzo illusion. Paradox illusions (or impossible object illusions) are generated by objects that are paradoxical or impossible, such as the Penrose triangle or impossible staircase seen, for example, in M. C. Escher's Ascending and Descending and Waterfall. The triangle is an illusion ...
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The widely accepted interpretation of, e.g. the Poggendorff and Hering illusions as manifestation of expansion of acute angles at line intersections, is an example of successful implementation of a "bottom-up," physiological explanation of a geometrical–optical illusion. Ponzo illusion in a purely schematic form and, below, with perspective clues