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Hermann-Hering Illusion


HermannHeringIllusion

The illusion in view by staring at the small black dot for a half minute or so, then switching to the white dot. The black squares appear stationary when staring at the white dot, but a fainter grid of moving squares also appears to be present.


See also

Hering Illusion, Hermann Grid Illusion, Scintillating Grid Illusion

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References

Hering, E. Grundzüge der Lehre vom Lichtsinn. Berlin, Springer-Verlag, 1920.

Referenced on Wolfram|Alpha

Hermann-Hering Illusion

Cite this as:

Weisstein, Eric W. "Hermann-Hering Illusion." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Hermann-HeringIllusion.html

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