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dc.contributor.authorBanno, Hayakien
dc.contributor.authorSaiki, Junen
dc.contributor.alternative坂野, 逸紀ja
dc.contributor.alternative齋木, 潤ja
dc.date.accessioned2013-05-24T01:51:10Z-
dc.date.available2013-05-24T01:51:10Z-
dc.date.issued2012-
dc.identifier.issn1534-7362-
dc.identifier.urihttp://hdl.handle.net/2433/174188-
dc.description.abstractVisually, we can extract a statistical summary of sets of elements efficiently. However, our visual system has a severe limitation in that the ability to recognize an object is remarkably impaired when it is surrounded by other objects. The goal of this study was to investigate whether the crowding effect obstructs the calculation of the mean size of objects. First, we verified that the crowding effect occurs when comparing the sizes of circles (Experiment 1). Next, we manipulated the distances between circles and measured the sensitivity when circles were on or off the limitation of crowding (Experiment 2). Participants were asked to compare the mean sizes of the circles in the left and right visual fields and to judge which was larger. Participants' sensitivity to mean size difference was lower when the circles were located in the nearer distance. Finally, we confirmed that crowding is responsible for the observed results by showing that displays without a crowded object eliminated the effects (Experiment 3). Our results indicate that the statistical information of size does not circumvent the bottleneck of crowding.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherAssociation for Research in Vision and Ophthalmologyen
dc.rights© 2012 ARVOen
dc.rightsこの論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.rightsThis is not the published version. Please cite only the published version.en
dc.subjectcrowdingen
dc.subjectstatistical summaryen
dc.subjectmean extractionen
dc.subjectsize perceptionen
dc.subject.meshCrowdingen
dc.subject.meshFemaleen
dc.subject.meshForm Perception/physiologyen
dc.subject.meshHumansen
dc.subject.meshMaleen
dc.subject.meshPattern Recognition, Visual/physiologyen
dc.subject.meshVisual Fields/physiologyen
dc.titleCalculation of the mean circle size does not circumvent the bottleneck of crowding.en
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleJournal of visionen
dc.identifier.volume12-
dc.identifier.issue11-
dc.relation.doi10.1167/12.11.13-
dc.textversionauthor-
dc.identifier.artnum13-
dc.identifier.pmid23090611-
dcterms.accessRightsopen access-
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