Size–weight illusion
Perceptional illusion / From Wikipedia, the free encyclopedia
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The size–weight illusion, also known as the Charpentier illusion, is named after the French physician Augustin Charpentier[1] because he was the first to demonstrate the illusion experimentally.[2][3][4] It is also called De Moor's illusion, named after Belgian physician Jean Demoor (1867–1941).[5]