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Titchener Illusion


TitchenerIllusion

The illusion due to psychologist Edward Bradford Titchener that a circle surrounded by other circles will appear smaller if the surrounding circles are enlarged. This effect is especially striking when comparing the cases where the surrounding circles are respectively smaller and larger than the middle circle, as in the illustration above in which the red circles are exactly the same size.


See also

Delboeuf Illusion

This entry contributed by Margherita Barile

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References

National Science and Technology Centre, Australia. "Titchener Illusion Explanation." http://www.questacon.edu.au/html/titchener_illusion_explanation.html.

Referenced on Wolfram|Alpha

Titchener Illusion

Cite this as:

Barile, Margherita. "Titchener Illusion." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/TitchenerIllusion.html

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