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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
An isometric illusion (also called an ambiguous figure or inside/outside illusion) is a type of optical illusion, specifically one due to multistable perception. Jastrow illusion The Jastrow illusion is an optical illusion discovered by the American psychologist Joseph Jastrow in 1889.
Troxler's fading, also called Troxler fading or the Troxler effect, is an optical illusion affecting visual perception. When one fixates on a particular point for even a short period of time, an unchanging stimulus away from the fixation point will fade away and disappear. Research suggests that at least some portion of the perceptual phenomena ...
Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.
For example, if part of a shape's border is missing people still tend to see the shape as completely enclosed by the border and ignore the gaps. Good Continuation: the principle of good continuation makes sense of stimuli that overlap: when there is an intersection between two or more objects, people tend to perceive each as a single ...
An example of the Ponzo illusion. Both of the horizontal yellow lines are the same length. The Ponzo illusion is a geometrical-optical illusion that takes its name from the Italian psychologist Mario Ponzo (1882–1960). Ponzo never claimed to have discovered it, and it is indeed present in earlier work.
The recency illusion is the belief or impression, on the part of someone who has only recently become aware of a long-established phenomenon, that the phenomenon itself must be of recent origin. The term was coined by Arnold Zwicky , a linguist at Stanford University who is primarily interested in examples involving words, meanings, phrases ...
In linguistics, a comparative illusion (CI) or Escher sentence [a] is a comparative sentence which initially seems to be acceptable but upon closer reflection has no well-formed, sensical meaning. The typical example sentence used to typify this phenomenon is More people have been to Russia than I have .