Jastrow illusion

Show Summary Details

Quick Reference

A visual illusion in which two identical tapering annular or ring segments placed one above the other appear unequal in size (see illustration). [Named after the Polish-born US psychologist Joseph Jastrow (1863–1944) who first published it in 1891]

Jastrow illusion. The two figures are identical.

Subjects: Psychology.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.