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Effects of audiovisual presentations on visual localization errors: one or several multisensory mechanisms?

2021-04-20Texto Acesso aberto
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datacite.subject.fosCiências Médicas
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorNazaré, Cristina Jordão
dc.contributor.authorOliveira, Armando Mónica de
dc.date.accessioned2026-07-17T10:51:11Z
dc.date.available2026-07-17T10:51:11Z
dc.date.issued2021-04-20
dc.description.abstractThe present study examines the extent to which temporal and spatial properties of sound modulate visual motion processing in spatial localization tasks. Participants were asked to locate the place at which a moving visual target unexpectedly vanished. Across different tasks, accompanying sounds were factorially varied within subjects as to their onset and offset times and/or positions relative to visual motion. Sound onset had no effect on the localization error. Sound offset was shown to modulate the perceived visual offset location, both for temporal and spatial disparities. This modulation did not conform to attraction toward the timing or location of the sounds but, demonstrably in the case of temporal disparities, to bimodal enhancement instead. Favorable indications to a contextual effect of audiovisual presentations on interspersed visual-only trials were also found. The short sound-leading offset asynchrony had equivalent benefits to audiovisual offset synchrony, suggestive of the involvement of early-level mechanisms, constrained by a temporal window, at these conditions. Yet, we tentatively hypothesize that the whole of the results and how they compare with previous studies requires the contribution of additional mechanisms, including learning detection of auditory-visual associations and cross-sensory spread of endogenous attention.eng
dc.identifier.citationNazaré, C. J., & Oliveira, A. M. (2021). Effects of Audiovisual Presentations on Visual Localization Errors: One or Several Multisensory Mechanisms?. Multisensory Research, 34(6), 587-621. https://doi.org/10.1163/22134808-bja10048
dc.identifier.doidoi.org/10.1163/22134808-bja10048
dc.identifier.eissn2213-4808
dc.identifier.urihttp://hdl.handle.net/10400.26/63830
dc.language.isoeng
dc.peerreviewedyes
dc.publisherBrill Academic Publishers
dc.relation.hasversionhttps://doi.org/10.1163/22134808-bja10048
dc.relation.ispartofseries34(6), 587-621
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectspatial localization tasks
dc.subjectauditory cues
dc.subjectcrossmodal mechanisms
dc.subjectaudiovisual integration
dc.titleEffects of audiovisual presentations on visual localization errors: one or several multisensory mechanisms?eng
dc.typetext
dspace.entity.typePublication
oaire.citation.endPage621
oaire.citation.issue6
oaire.citation.startPage587
oaire.citation.titleMultisensory Research: A Journal of Scientific Research on All Aspects of Multisensory Processing
oaire.citation.volume34
oaire.versionhttp://purl.org/coar/version/c_71e4c1898caa6e32

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