Rigid objects that appear to bend.
Simple rigid objects are presented that appear to bend when viewed from certain angles. These illusions illustrate that perspective information is used by the stereo system, that projective distortions can override rigidity constraints in motion perception, and that touch only corrects the illusion for a local region.
Griffiths
A F
AF
State College of Optometry, State University of New York, NY 10010, USA. fuzz@sunyopt.edu
Zaidi
Q
Q
D004548:Elasticity; D005556:Form Perception / Q000502:physiology*; D006801:Humans; D009903:Optical Illusions; D015349:Vision, Monocular / Q000502:physiology*