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 the * afterimage, the * Rubin figure, and the * Poggendorff illusion. The term physiological illusion is used in opposition to the terms *physical illusion and * cognitive illusion. The term perceiver-distortion illusion is used in opposition to *stimulus-distortion illusion.
   Gregory, R.L. (1991). Putting illusions in their place. Perception, 20, 1-4.
   Ninio, J. (2001). The science ofillusions.Trans-lated 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

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  • moon illusion —    Also known as Moon size illusion and horizon illusion. All three terms refer to the Moon s apparently increased size when it approaches the horizon, in comparison with its perceived size when it is in the zenith. The ratio of this apparent… …   Dictionary of Hallucinations

  • waterfall illusion —    Also known as waterfall effect and waterfall phenomenon. All three terms refer to a variant of the * motion aftereffect characterized by an optical *illusion of upward motion in stationary objects. The term waterfall illusion was coined in or… …   Dictionary of Hallucinations

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  • 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

  • Aristotle's illusion —    The eponym Aristotle s illusion refers to the Greek philosopher Aristotle (384 322 BC), who appears to have been the first to describe the concomitant phenomenon in his books On dreams, Metaphysics,andProblems. The expression Aristotle s… …   Dictionary of Hallucinations

  • Charpentier's illusion —    Also known as size weight illusion and *Demoor s sign. The eponym Charpentier s illusion refers to the French ophthalmologist and physiologist Augustin Charpentier (18521916), who has been credited with being the first to describe the… …   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

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