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Ehrenstein Illusion

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EhrensteinIllusion

The Ehrenstein illusion (Ehrenstein 1925) is an illusion studied by the psychologist Walter Ehrenstein in which the sides of a square placed inside a pattern of concentric circles take an apparent curved shape. The name Ehrenstein is also associated with one of the illusory contour figures.

See also

Hering Illusion, Illusory Contour Figures, Orbison's Illusion, Wundt Illusion

This entry contributed by Margherita Barile

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References

A Special Place. Optical Illusions. "Square in a Circle." https://web.archive.org/web/20000310112919/http://aspecialplace.net:80/illusions/square_circle.htm.Ehrenstein, W. "Versuche über die Beziehungen zwischen Bewegungs- und Gestaltwahrnehmung." Zeitschrift für Psychologie 96, 305-352, 1925.Nagoya Visual illusion Experts Group. "Ehrenstein Illusion." http://humanities.lit.nagoya-u.ac.jp/~illusion/gallery/NVEG/standard/Ehrenstein01_e.html.

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Ehrenstein Illusion

Cite this as:

Weisstein, Eric W., with contributions by Margherita Barile. "Ehrenstein Illusion." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/EhrensteinIllusion.html

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