perceptual illusion

Dictionary of Hallucinations. . 2010.

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  • illusion — illusioned, adj. /i looh zheuhn/, n. 1. something that deceives by producing a false or misleading impression of reality. 2. the state or condition of being deceived; misapprehension. 3. an instance of being deceived. 4. Psychol. a perception, as …   Universalium

  • Perceptual transparency — is the phenonmenon of seeing one surface behind another. [ ripamonti dapos JEI 2004.pdf] In our everyday life, we often experience the view of objects through transparent surfaces.Physically transparent… …   Wikipedia

  • Illusion — An illusion is a distortion of the senses, revealing how the brain normally organizes and interprets sensory stimulation. While illusions distort reality, they are generally shared by most people. [ Solso, R. L. (2001). Cognitive psychology (6th… …   Wikipedia

  • illusion —    Formerly known as illusio, fallacia, and idolum. The term illusion comes from the Latin verb illudere, which means to mock, to delude, to tempt. It is unknown when and by whom the term was introduced, but it has been in use since ancient times …   Dictionary of Hallucinations

  • Illusion de Poggendorff — L illusion de Poggendorff est une illusion d optique baptisée ainsi en hommage au physicien Johann Christian Poggendorff qui l a découverte en 1860 suite à un courrier de Johann Karl Friedrich Zöllner lui présentant l illusion de Zollner[1 …   Wikipédia en Français

  • perceptual lag phenomenon —    A term introduced in or shortly before 1956 by the Canadian psychologists Woodburn Heron et al. to denote an apparent reduction in the speed of moving objects, induced by * sensory deprivation. Heron et al. illustrate this phenomenon by… …   Dictionary of Hallucinations

  • illusion of illusion —    An expression introduced in or shortly before 1998 by the French research scientist Jacques Ninio (b. 1942) to denote a bizarre perceptual phenomenon, usually reported by an author in support of a cherished idea, that proves to be unfounded.… …   Dictionary of Hallucinations

  • Cutaneous rabbit illusion — The cutaneous rabbit illusion (also known as cutaneous saltation) is a tactile illusion evoked by tapping two separate regions of the skin. Many experiments demonstrating the effect have been carried out on the forearm. A rapid sequence of taps… …   Wikipedia

  • cognitive illusion —    Also known as strategy illusion and perceptual illusion. The term cognitive illusion is indebted to the Latin noun cognoscere, which means to learn or to scrutinize. It refers to an * illusion arising as a consequence of unconscious inferences …   Dictionary of Hallucinations

  • Optical illusion — This article is about visual perception. For the Time Requiem album, see Optical Illusion (album). An optical illusion. The square A is exactly the same shade of gray as square B. See checker shadow illusion. An optical illusion (also called a… …   Wikipedia

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