The Jastrow Illusion is an optical illusion that was discovered by American psychologist Joseph Jastrow in the late 19th century. It is an illusion of perception in which two identical figures appear to be different sizes when placed side-by-side. This illusion is often used to demonstrate the
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The Jastrow illusion is an optical illusion attributed to the Polish-American psychologist Joseph Jastrow. This optical illusion is known under different names: Ring-Segment illusion, Jastrow illusion, Wundt Area illusion, Wundt-Jastrow illusion, or the Boomerang Illusion.