Where do the eyes really go in the hollow-face illusion?

The hollow-face illusion refers to the finding that people typically perceive a concave (hollow) mask as being convex, despite the presence of binocular disparity cues that indicate the contrary. Unlike other illusions of depth, recent research has suggested that the eyes tend to converge at perceiv...

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Autores principales:	Marc Grosjean, Gerhard Rinkenauer, Stephanie Jainta
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2012
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/bc34b820f7ad4481bfdfb7288d2dabd0
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spelling	oai:doaj.org-article:bc34b820f7ad4481bfdfb7288d2dabd02021-11-18T07:06:42ZWhere do the eyes really go in the hollow-face illusion?1932-620310.1371/journal.pone.0044706https://doaj.org/article/bc34b820f7ad4481bfdfb7288d2dabd02012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22962623/?tool=EBIhttps://doaj.org/toc/1932-6203The hollow-face illusion refers to the finding that people typically perceive a concave (hollow) mask as being convex, despite the presence of binocular disparity cues that indicate the contrary. Unlike other illusions of depth, recent research has suggested that the eyes tend to converge at perceived, rather than actual, depths. However, technical and methodological limitations prevented one from knowing whether disparity cues may still have influenced vergence. In the current study, we presented participants with virtual normal or hollow masks and asked them to fixate the tip of the face's nose until they had indicated whether they perceived it as pointing towards or away from them. The results showed that the direction of vergence was indeed determined by perceived depth, although vergence responses were both somewhat delayed and of smaller amplitude (by a factor of about 0.5) for concave than convex masks. These findings demonstrate how perceived depth can override disparity cues when it comes to vergence, albeit not entirely.Marc GrosjeanGerhard RinkenauerStephanie JaintaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 9, p e44706 (2012)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Marc Grosjean Gerhard Rinkenauer Stephanie Jainta Where do the eyes really go in the hollow-face illusion?
description	The hollow-face illusion refers to the finding that people typically perceive a concave (hollow) mask as being convex, despite the presence of binocular disparity cues that indicate the contrary. Unlike other illusions of depth, recent research has suggested that the eyes tend to converge at perceived, rather than actual, depths. However, technical and methodological limitations prevented one from knowing whether disparity cues may still have influenced vergence. In the current study, we presented participants with virtual normal or hollow masks and asked them to fixate the tip of the face's nose until they had indicated whether they perceived it as pointing towards or away from them. The results showed that the direction of vergence was indeed determined by perceived depth, although vergence responses were both somewhat delayed and of smaller amplitude (by a factor of about 0.5) for concave than convex masks. These findings demonstrate how perceived depth can override disparity cues when it comes to vergence, albeit not entirely.
format	article
author	Marc Grosjean Gerhard Rinkenauer Stephanie Jainta
author_facet	Marc Grosjean Gerhard Rinkenauer Stephanie Jainta
author_sort	Marc Grosjean
title	Where do the eyes really go in the hollow-face illusion?
title_short	Where do the eyes really go in the hollow-face illusion?
title_full	Where do the eyes really go in the hollow-face illusion?
title_fullStr	Where do the eyes really go in the hollow-face illusion?
title_full_unstemmed	Where do the eyes really go in the hollow-face illusion?
title_sort	where do the eyes really go in the hollow-face illusion?
publisher	Public Library of Science (PLoS)
publishDate	2012
url	https://doaj.org/article/bc34b820f7ad4481bfdfb7288d2dabd0
work_keys_str_mv	AT marcgrosjean wheredotheeyesreallygointhehollowfaceillusion AT gerhardrinkenauer wheredotheeyesreallygointhehollowfaceillusion AT stephaniejainta wheredotheeyesreallygointhehollowfaceillusion
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Where do the eyes really go in the hollow-face illusion?

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