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Eidetik (from the Greek εἶδος eîdos , German 'view, shape' ) is the science of what is seen. The term is derived from Eidos .



In philosophy, especially in phenomenology since Edmund Husserl , eidetics is the doctrine of essence as a visible fact. Eidetic reduction is also part of the phenomenological method .


Viktor Urbantschitsch (1847–1921), professor of ear, nose and throat medicine at the University of Vienna , founded the psychological teaching of eidetics when it was published in 1907. This basis was further developed by Oswald Kroh (1887–1955) and Erich Rudolf Jaensch (1883-1940).

In psychology , eidetics describes a special quality of imagination. An eidetic's ideas can be as realistic as perceptions , whereby - in contrast to the hallucinative experience - he knows that his ideas are not perceptions. In terms of differential diagnosis , eidetic ideas should be distinguished from hallucinations : A perception without an external source of perception would therefore be a hallucination.

The term eidetic memory is often mistaken for a synonym for photographic memory .

See also


  • Wolfram Brüne: Eidetic phenomena and their arbitrary influenceability. . Henn, Ratingen 1965.
  • Wilhelm Hehlmann : Dictionary of Psychology. 4th edition. Alfred Kröner, Stuttgart 1965.
  • Viktor Urbantschitsch: About subjective visual visual images . Deuticke, Leipzig 1907.
  • Werner Traxel : Critical Investigations on Eidetik. Habil. Writing d. Philos. Faculty Marburg 1959. (also: Archive for the whole of psychology. Volume 114, 1962, pp. 143–172)

Individual evidence

  1. a b Georgi Schischkoff (Ed.): Dictionary of Philosophy. 22nd edition. Kröner, Stuttgart 1991, Lemma Eidetik.
  2. ^ Wilhelm Hehlmann : Dictionary of Psychology. 4th edition. Alfred Kröner, Stuttgart 1965, Lemma Eidetik.