Right-Angle Preference in Impossible Objects and Impossible Motion

Year: 2014 Authors: Kokichi Sugihara

Core claim

Impossible object and motion illusions are explained by a right-angle preference in vision, with highest symmetry as a possible alternative explanation.

Topics

impossible objects, impossible motion, visual illusion, right-angle preference, symmetry

Domains

geometry, projection, inverse problems, optical illusion, visual perception, 3D object design, Escher references

Methods

visual analysis, constructive 3D realization, comparative hypothesis testing, perceptual observation

Media

solid objects, drawings, ball and ring setup, sloped structures

Source status

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