最終更新日：2024/08/04

An optical illusion in which a number of spatially separated fragments give the illusory impression of the contours of a triangle.

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Kanizsa triangle

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Kanizsa triangle

The Kanizsa triangle is an optical illusion.

意味（1）

It is called a Kanizsa triangle, after the Italian psychologist Gaetano Kanizsa, who created it in 1955.