Illusory rotation of a spoked wheel

A disk was divided into 16 stationary sectors of different grey levels that stepped around clockwise. When thin stationary spokes of constant mid-grey separated the sectors, the spokes showed robust and striking counterclockwise apparent motion, and when stopped, they gave a brisk clockwise motion a...

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Detalles Bibliográficos
Autores principales: Anstis, Stuart, Rogers, Brian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pion 2011
Materias:
Short and Sweet
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3485806/
https://www.ncbi.nlm.nih.gov/pubmed/23145255
http://dx.doi.org/10.1068/i0483
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author Anstis, Stuart
Rogers, Brian
author_facet Anstis, Stuart
Rogers, Brian
author_sort Anstis, Stuart
collection PubMed
description A disk was divided into 16 stationary sectors of different grey levels that stepped around clockwise. When thin stationary spokes of constant mid-grey separated the sectors, the spokes showed robust and striking counterclockwise apparent motion, and when stopped, they gave a brisk clockwise motion aftereffect. The spokes had to match the grey of some of the sectors. We attribute these effects to small displacements across the thickness of the spokes that stimulated hard-wired motion detectors.
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spelling pubmed-34858062012-11-09 Illusory rotation of a spoked wheel Anstis, Stuart Rogers, Brian Iperception Short and Sweet A disk was divided into 16 stationary sectors of different grey levels that stepped around clockwise. When thin stationary spokes of constant mid-grey separated the sectors, the spokes showed robust and striking counterclockwise apparent motion, and when stopped, they gave a brisk clockwise motion aftereffect. The spokes had to match the grey of some of the sectors. We attribute these effects to small displacements across the thickness of the spokes that stimulated hard-wired motion detectors. Pion 2011-11-04 /pmc/articles/PMC3485806/ /pubmed/23145255 http://dx.doi.org/10.1068/i0483 Text en Copyright © 2011 S Anstis, B Rogers http://creativecommons.org/licenses/by-nc-nd/3.0/ This open-access article is distributed under a Creative Commons Licence, which permits noncommercial use, distribution, and reproduction, provided the original author(s) and source are credited and no alterations are made.
spellingShingle Short and Sweet
Anstis, Stuart
Rogers, Brian
Illusory rotation of a spoked wheel
title Illusory rotation of a spoked wheel
title_full Illusory rotation of a spoked wheel
title_fullStr Illusory rotation of a spoked wheel
title_full_unstemmed Illusory rotation of a spoked wheel
title_short Illusory rotation of a spoked wheel
title_sort illusory rotation of a spoked wheel
topic Short and Sweet
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3485806/
https://www.ncbi.nlm.nih.gov/pubmed/23145255
http://dx.doi.org/10.1068/i0483
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