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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
Origami is a magic stage illusion with a Japanese paperfolding theme, designed by Jim Steinmeyer.It was originally performed in 1986 by Canadian illusionist Doug Henning, using a working prop constructed by illusion builder John Gaughan.
The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures. Moon illusion: The Moon illusion is an optical illusion in which the Moon appears larger near the horizon than it does while higher up in the sky. Motion aftereffect: Motion illusion: Müller-Lyer illusion
As the name implies, stage illusions are distinct from other types of magic in that they are performed a considerable distance away from the audience, usually on a stage, in order to maintain the illusion. [1] Stage illusions usually use large props and may involve the use of assistants or large animals. [2]
Schroeder stairs can be perceived in two ways, depending on whether the viewer considers A or B to be the closer wall. Schroeder stairs (Schröder's stairs) is an optical illusion which is a two-dimensional drawing which may be perceived either as a drawing of a staircase leading from left to right downwards or the same staircase only turned upside down, a classical example of perspective ...
Shepard tables illusion, named for its creator Roger N. Shepard. Shepard tables (also known as the Shepard tabletop illusion) are an optical illusion first published in 1990 as "Turning the Tables," by Stanford psychologist Roger N. Shepard in his book Mind Sights, a collection of illusions that he had created. [1]
Example of visual illusion: a real gecko hunts the pointer of a mouse, confused with a prey An optical illusion. Square A is exactly the same shade of grey as Square B. (See Checker shadow illusion.) A visual illusion or optical illusion is characterized by visually perceived images that are deceptive or misleading
However, some have argued [5] that explaining one perception ("appears far away") in terms of another ("appears bigger") is problematic scientifically, and there are probably complex internal processes behind these illusions. The Ponzo illusion also occurs in touch and with an auditory-to-visual sensory-substitution device. However, prior ...