illusory colours

Dictionary of Hallucinations. . 2010.

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  • illusory visual spread —    Also known as illusory visual perseveration. Both terms were introduced in or shortly before 1949 by the British neurologist Macdonald Critchley (1900 1997) to denote a type of visual perse veration characterized by the visual extension,… …   Dictionary of Hallucinations

  • Fechner's colours —    Also known as subjective colours, illusory colours, and flicker colours. The eponym Fechner s colours refers to the German psychologist Gustav Theodor Fechner (1801 1887), who in 1838 published an account involving the creation of illusory… …   Dictionary of Hallucinations

  • Benham's top —    Also known as Benham s disk, Benham s wheel, and artificial spectrum top. The eponym Benham s top refers to the British amateur scientist and toymaker Charles Edwin Benham (18601929), who in 1894 published an account in Nature describing a… …   Dictionary of Hallucinations

  • 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

  • John McDowell — Infobox Philosopher region = Western Philosophy era = 20th century philosophy color = #B0C4DE image caption = John McDowell in Paris, October 2007 name = John Henry McDowell birth = 1942 Boksburg, South Africa school tradition = Analytic… …   Wikipedia

  • McCollough effect — (click to enlarge) A test image for the McCollough effect. On first looking at this image, the vertical and horizontal lines should look black and white, colourless. After induction (see images below), the horizontal lines should look greenish… …   Wikipedia

  • painting, Western — ▪ art Introduction       history of Western painting from its beginnings in prehistoric times to the present.       Painting, the execution of forms and shapes on a surface by means of pigment (but see also drawing for discussion of depictions in …   Universalium

  • Filling-in — In vision, filling in phenomena are those responsible for the completion of missing information across the physiological blind spot, and across natural and artificial scotomata. There is evidence calling for similar mechanisms of completion also… …   Wikipedia

  • United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

  • Jobbik — – The Movement for a Better Hungary Jobbik Magyarországért Mozgalom Leader Gábor Vona …   Wikipedia

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