physical illusion

   Also known as stimulus-distortion illusion. Both terms refer to an * illusion attributable to physical rather than neurophysiological or cognitive mechanisms. Some examples of physical illusions are the * mirage, the * rainbow, the * anthelic arc, the * anthelion, the * Brocken spectre, the * Ulloa circle, and the Moiré pattern. The term physical illusion is used in opposition to the terms * physiological illusion and *cognitive illusion. The term stimulus-distortion illusion is used in opposition to the term * perceiver-distortion illusion.
   Gregory, R.L. (1991). Putting illusions in their place. Perception, 20, 1-4.
   Ninio, J. (2001). The science of illusions'.Translated by Philip, F. Ithaca, NY: Cornell University Press.

Dictionary of Hallucinations. . 2010.

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  • 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 — 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 — 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

  • illusion — il|lu|sion [ıˈlu:ʒən] n [Date: 1300 1400; : French; Origin: Latin illusio, from illudere to make fun of , from ludere to play ] 1.) an idea or opinion that is wrong, especially about yourself →↑delusion illusion that ▪ They suffer from the… …   Dictionary of contemporary English

  • Physical universe — In religion and esotericism, the term physical universe or material universe is used to distinguish the physical matter of the universe from a proposed spiritual or supernatural essence. In the Book of Veles, and perhaps in traditional Slavic… …   Wikipedia

  • visual illusion —    Also known as optical illusion. Both terms are commonly used to denote a visual percept that has its basis in a stimulus derivative of the extra corporeal environment (also referred to as a point de repère) which is either misperceived or… …   Dictionary of Hallucinations

  • 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

  • sun illusion —    The term Sun illusion is used to denote the apparent increase in the size of the Sun as observed above the horizon, in comparison with the way it appears in the zenith. The Sun illusion, which is commonly classified as a * celestial illusion,… …   Dictionary of Hallucinations

  • physiological illusion —    Also known as mechanism illusion and perceiver distortion illusion. All three terms refer to an *illusion attributable to neurophysiological rather than physical or cognitive mechanisms. Some well known examples of physiological illusions are… …   Dictionary of Hallucinations

  • stimulus-distortion illusion —    see physical illusion …   Dictionary of Hallucinations

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