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" "Our present knowledge of human perception leaves no doubt as to the general form of any theory which is to do justice to such knowledge: a theory of perception must be a field theory. By this we mean that the neural functions and processes with which the perceptual facts are associated in each case are located in a continuous medium.
(21 January 1887 – 11 June 1967) was a German psychologist and phenomenologist who, like Max Wertheimer, and Kurt Koffka, contributed to the creation of Gestalt psychology.
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For adult man with his mechanized methods of solution, proof is sometimes needed, as here, that an action was a real achievement, not something self-evident; that the breaking off a branch from a whole tree, for instance, is an achievement over and above the simple use of a stick, is shown at once by animals les