Attentional modulations of audiovisual interactions in apparent motion: Temporal ventriloquism effects on perceived visual speed

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buir.contributor.authorDuyar, Aysun
buir.contributor.orcidDuyar, Aysun | 0000-0003-1039-8625
buir.contributor.orcidKafaligonul, Hulusi | 0000-0001-5033-4138
dc.citation.epage2185en_US
dc.citation.issueNumber7en_US
dc.citation.spage2167en_US
dc.citation.volumeNumber84en_US
dc.contributor.authorDuyar, Aysun
dc.contributor.authorPavan, Andrea
dc.date.accessioned2023-02-28T10:51:22Z
dc.date.available2023-02-28T10:51:22Z
dc.date.issued2022-08-22
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractThe timing of brief stationary sounds has been shown to alter different aspects of visual motion, such as speed estimation. These effects of auditory timing have been explained by temporal ventriloquism and auditory dominance over visual information in the temporal domain. Although previous studies provide unprecedented evidence for the multisensory nature of speed estimation, how attention is involved in these audiovisual interactions remains unclear. Here, we aimed to understand the effects of spatial attention on these audiovisual interactions in time. We utilized a set of audiovisual stimuli that elicit temporal ventriloquism in visual apparent motion and asked participants to perform a speed comparison task. We manipulated attention either in the visual or auditory domain and systematically changed the number of moving objects in the visual field. When attention was diverted to a stationary object in the visual field via a secondary task, the temporal ventriloquism effects on perceived speed decreased. On the other hand, focusing attention on the auditory stimuli facilitated these effects consistently across different difficulty levels of secondary auditory task. Moreover, the effects of auditory timing on perceived speed did not change with the number of moving objects and existed in all the experimental conditions. Taken together, our findings revealed differential effects of allocating attentional resources in the visual and auditory domains. These behavioral results also demonstrate that reliable temporal ventriloquism effects on visual motion can be induced even in the presence of multiple moving objects in the visual field and under different perceptual load conditions.en_US
dc.identifier.doi10.3758/s13414-022-02555-7en_US
dc.identifier.eissn1943-393X
dc.identifier.issn1943-3921
dc.identifier.urihttp://hdl.handle.net/11693/111911
dc.language.isoEnglishen_US
dc.publisherSpringer New York LLCen_US
dc.relation.isversionofhttps://doi.org/10.3758/s13414-022-02555-7en_US
dc.source.titleAttention, Perception & Psychophysicsen_US
dc.subjectMotionen_US
dc.subjectAttentionen_US
dc.subjectSpeed perceptionen_US
dc.subjectMultisensoryen_US
dc.subjectAudiovisual interactionsen_US
dc.subjectTemporal processingen_US
dc.titleAttentional modulations of audiovisual interactions in apparent motion: Temporal ventriloquism effects on perceived visual speeden_US
dc.typeArticleen_US
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National Magnetic Resonance Research Center (UMRAM)
Aysel Sabuncu Brain Research Center (BAM)
Department of Psychology