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The Orbison illusion was first discovered by the psychologist William Orbison in 1939.

The illusion consists of a figure placed over a background of concentric circles or radial lines. The bounding rectangle and inner square both appear distorted in the presence of the circles or radiating lines. The background gives us the impression there is some sort of perspective. As a result, a distorted shape is seen.

This is a variant of the Hering and Wundt illusions.

External LinksEdit

  1. http://www.anopticalillusion.com/2012/03/orbison-illusion/
  2. http://mathworld.wolfram.com/OrbisonsIllusion.html
  3. http://fineartamerica.com/featured/orbison-illusion-spl-and-photo-researchers.html
  4. http://www.futilitycloset.com/2006/08/18/orbison-illusion/
  5. http://www.daviddarling.info/encyclopedia/O/Orbisons_illusion.html
  6. http://www.psychologycs.com/orbison-illusion.htm
  7. http://www.mbandf.com/parallel-world/mind-blowing-optical-illusions
  8. http://explorepsychology.wordpress.com/tag/colorful-illusion/