411 REFERENCE · Wiktionary
Jastrow illusion
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|Identical toy railway tracks as a real example of a Jastrow illusion
Etymology
Attributed to the Polish-American psychologist Joseph Jastrow.
Noun
An optical illusion in which two adjacent identical curved shapes appear to be of different sizes.
en boomerang illusion ring-segment illusion Wundt area illusion Wundt-Jastrow illusion
en eponyms
en Optical illusions