Circular Poggendorff illusion


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Circular Poggendorf illusion


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Copyright © 1996-2017 Alexander Bogomolny

Circular Poggendorff illusion

Circular Poggendorf illusion

This is a variant of the Poggendorff's illusion. The parallel lines that obscure parts of a circle break the circle off so that its pieces do not appear to fit together.

h3>References
  1. R. N. Shepard, Mind Sights, W. H. Freeman and Company, 1990
  2. A. Seckel, The Art of Optical Illusions, Carlton Books, 2000 (#38)
  3. The Mind's Eye, Readings from SCIENTIFIC AMERICAN, W. H. Freeman and Company, 1986

|Contact| |Front page| |Contents| |Geometry|

Copyright © 1996-2017 Alexander Bogomolny

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