Kopfermann cubes

line drawings of cubes that are perceived as two-dimensional figures rather than as three-dimensional cubes. A hexagon equally divided into six triangles is one example. In this case, gestalt principles of perception have been invoked to explain the compelling perception of two-dimensional triangles, rather than sides of a three-dimensional figure. [Hans Kopfermann, 20th-century German physicist and experimental psychologist]

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Psychology term of the day

May 8th 2024

alcoholic

n. a person who is dependent on alcohol, that is, who regularly drinks to the point of intoxication despite negative consequences. See also alcohol dependence.