{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360011143634997504.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1068/p5781"}},{"identifier":{"@type":"URI","@value":"https://journals.sagepub.com/doi/pdf/10.1068/p5781"}}],"dc:title":[{"@value":"Expanding and Contracting Optic-Flow Patterns and Vection"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p> When stationary observers view an optic-flow pattern, visually induced self-motion perception (vection) and a form of motion sickness known as simulator sickness (SS), can result. Previous results suggest that an expanding flow pattern leads to more SS than a contracting pattern. Sensory conflict, a possible cause of SS, may be more salient when an expanding optic-flow pattern is viewed. An experiment was conducted to test if a more salient sensory conflict accompanying expanding flow patterns might inhibit vection. Participants ( n = 15) viewed a pattern of blue squares, either steadily expanded or contracted, on a large rear-projection screen. Vection onset and magnitude were measured for 30 s with a computer-interfaced slide device. Vection onset was significantly faster, and vection magnitude stronger, when a contracting pattern was viewed. We propose that our extensive experience with forward self-motion may form a neural expectancy (exposure-history) about the sensory inputs which typically accompany expanding flow. However, since backward self-motion is less common, there may be a weaker exposure-history for contracting flow, and as a result these patterns generate less salient sensory conflict and subsequently less vection. </jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380011143634997506","@type":"Researcher","foaf:name":[{"@value":"Andrea Bubka"}],"jpcoar:affiliationName":[{"@value":"Department of Psychology, Saint Peter's College, 2641 Kennedy Boulevard, Jersey City, NJ 07306, USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011143634997505","@type":"Researcher","foaf:name":[{"@value":"Frederick Bonato"}],"jpcoar:affiliationName":[{"@value":"Department of Psychology, Saint Peter's College, 2641 Kennedy Boulevard, Jersey City, NJ 07306, USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011143634997504","@type":"Researcher","foaf:name":[{"@value":"Stephen Palmisano"}],"jpcoar:affiliationName":[{"@value":"School of Psychology, University of Wollongong, Northfields Avenue, Wollongong 2522, NSW, Australia"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03010066"},{"@type":"EISSN","@value":"14684233"}],"prism:publicationName":[{"@value":"Perception"}],"dc:publisher":[{"@value":"SAGE Publications"}],"prism:publicationDate":"2008-01-01","prism:volume":"37","prism:number":"5","prism:startingPage":"704","prism:endingPage":"711"},"reviewed":"false","dc:rights":["https://journals.sagepub.com/page/policies/text-and-data-mining-license"],"url":[{"@id":"https://journals.sagepub.com/doi/pdf/10.1068/p5781"}],"createdAt":"2008-05-15","modifiedAt":"2025-03-10","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050585946602867456","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Examination of the Effect of the Real-Life Meaning of the Stimulus on the Self-Motion 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