Document Detail

The perception of 3-D rotation from translating sine-wave lines: the reverse of the barber-pole illusion.
MedLine Citation:
PMID:  8474845     Owner:  NLM     Status:  MEDLINE    
An ambiguous moving pattern which gives rise to the reverse of the barber-pole illusion is reported. When vertical sine-wave lines translate, vertically and endlessly, on a two-dimensional (2-D) plane, one can perceive rotating three-dimensional (3-D) helixes without the impression of translation. With a single sine-wave line, 3-D rotation was seen for about half the exposure period. With three sine-wave lines shifted in phase by 120 degrees, this illusion easily arose when one fixated a point near the endpoints of the lines, which moved horizontally and sinusoidally along the imaginary upper edge of the screen. When 3-D rotation was seen, the sine-wave lines which were intersecting on a 2-D display were perceptually decomposed into pairs of lines separated in depth. On fixating a point at the center of the figure, vertical translation was mainly seen. Foveal viewing of the horizontal sine movement of the endpoints of the lines produces the impression of 3-D rotation and the impression appears to provide some specific information towards solving the aperture problem and towards reconstructing the whole figure as such.
H Ito
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Perception     Volume:  22     ISSN:  0301-0066     ISO Abbreviation:  Perception     Publication Date:  1993  
Date Detail:
Created Date:  1993-05-18     Completed Date:  1993-05-18     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0372307     Medline TA:  Perception     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  209-14     Citation Subset:  IM    
Department of Visual Communication Design, Faculty of Design, Kyushu Institute of Design, Fukuoka-shi, Japan.
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MeSH Terms
Optical Illusions*
Visual Perception*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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