An empirical taxonomy of visual illusions

Stanley Coren; Joan S. Girgus; Howard Erlichman; A. Ralph Hakstian

doi:10.3758/BF03199444

An empirical taxonomy of visual illusions

Stanley Coren, Joan S. Girgus, Howard Erlichman, A. Ralph Hakstian

Psychology

Research output: Contribution to journal › Article › peer-review

98 Scopus citations

Abstract

A classification system for visual-geometric illusions, based upon the interrelationships between behavioral responses to various distortions was created. Forty-five illusion configurations were presented to 221 observers. Factor analysis revealed that there are five classes of illusions. A secondorder analysis revealed that visual distortions are ultimately reducible to two global types of distortions: illlusions of extent and illusions of shape or direction.

Original language	English (US)
Pages (from-to)	129-137
Number of pages	9
Journal	Perception & Psychophysics
Volume	20
Issue number	2
DOIs	https://doi.org/10.3758/BF03199444
State	Published - Mar 1976

All Science Journal Classification (ASJC) codes

Experimental and Cognitive Psychology
Sensory Systems
General Psychology

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10.3758/BF03199444

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abstract = "A classification system for visual-geometric illusions, based upon the interrelationships between behavioral responses to various distortions was created. Forty-five illusion configurations were presented to 221 observers. Factor analysis revealed that there are five classes of illusions. A secondorder analysis revealed that visual distortions are ultimately reducible to two global types of distortions: illlusions of extent and illusions of shape or direction.",

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An empirical taxonomy of visual illusions

Abstract

All Science Journal Classification (ASJC) codes

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