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dc.contributor.authorSlater, Mel
dc.contributor.authorBanakou, Domna
dc.contributor.authorBeacco Porres, Alejandro
dc.contributor.authorGallego Vila, Jaime
dc.contributor.authorMacia Varela, Francisco
dc.contributor.authorOliva Martínez, Ramon
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Ciències de la Computació
dc.contributor.otherEscola Superior d'Enginyeries Industrial, Aeroespacial i Audiovisual de Terrassa
dc.date.accessioned2023-01-25T12:08:37Z
dc.date.available2023-01-25T12:08:37Z
dc.date.issued2022-06-27
dc.identifier.citationSlater, M. [et al.]. A separate reality : An update on place Illusion and plausibility in virtual reality. "Frontiers in virtual reality", 27 Juny 2022, vol. 3, núm. Article 914392, p. 1-16.
dc.identifier.issn2673-4192
dc.identifier.urihttp://hdl.handle.net/2117/381136
dc.description.abstractWe review the concept of presence in virtual reality, normally thought of as the sense of “being there” in the virtual world. We argued in a 2009 paper that presence consists of two orthogonal illusions that we refer to as Place Illusion (PI, the illusion of being in the place depicted by the VR) and Plausibility (Psi, the illusion that the virtual situations and events are really happening). Both are with the proviso that the participant in the virtual reality knows for sure that these are illusions. Presence (PI and Psi) together with the illusion of ownership over the virtual body that self-represents the participant, are the three key illusions of virtual reality. Copresence, togetherness with others in the virtual world, can be a consequence in the context of interaction between remotely located participants in the same shared virtual environments, or between participants and virtual humans. We then review several different methods of measuring presence: questionnaires, physiological and behavioural measures, breaks in presence, and a psychophysics method based on transitions between different system configurations. Presence is not the only way to assess the responses of people to virtual reality experiences, and we present methods that rely solely on participant preferences, including the use of sentiment analysis that allows participants to express their experience in their own words rather than be required to adopt the terminology and concepts of researchers. We discuss several open questions and controversies that exist in this field, providing an update to the 2009 paper, in particular with respect to models of Plausibility. We argue that Plausibility is the most interesting and complex illusion to understand and is worthy of significant more research. Regarding measurement we conclude that the ideal method would be a combination of a psychophysical method and qualitative methods including sentiment analysis.
dc.format.extent16 p.
dc.language.isoeng
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectÀrees temàtiques de la UPC::Informàtica
dc.subject.lcshVirtual reality
dc.subject.otherVirtual reality
dc.subject.otherPresence
dc.subject.otherPlace illusion
dc.subject.otherPlausibility
dc.subject.otherBody ownership
dc.subject.otherQuestionnaires
dc.subject.otherMeasuremen
dc.titleA separate reality : An update on place Illusion and plausibility in virtual reality
dc.typeArticle
dc.subject.lemacRealitat virtual
dc.contributor.groupUniversitat Politècnica de Catalunya. ViRVIG - Grup de Recerca en Visualització, Realitat Virtual i Interacció Gràfica
dc.identifier.doi10.3389/frvir.2022.914392
dc.relation.publisherversionhttps://www.frontiersin.org/articles/10.3389/frvir.2022.914392/full
dc.rights.accessOpen Access
local.identifier.drac35065133
dc.description.versionPostprint (published version)
local.citation.authorSlater, M.; Banakou, D.; Beacco, A.; Gallego, J.; Macia, F.; Oliva, R.
local.citation.publicationNameFrontiers in virtual reality
local.citation.volume3
local.citation.numberArticle 914392
local.citation.startingPage1
local.citation.endingPage16


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