Uni- and multisensory brain areas are synchronised across spectators when watching unedited dance recordings

I-Perception
Corinne JolaFrank E Pollick

Abstract

The superior temporal sulcus (STS) and gyrus (STG) are commonly identified to be functionally relevant for multisensory integration of audiovisual (AV) stimuli. However, most neuroimaging studies on AV integration used stimuli of short duration in explicit evaluative tasks. Importantly though, many of our AV experiences are of a long duration and ambiguous. It is unclear if the enhanced activity in audio, visual, and AV brain areas would also be synchronised over time across subjects when they are exposed to such multisensory stimuli. We used intersubject correlation to investigate which brain areas are synchronised across novices for uni- and multisensory versions of a 6-min 26-s recording of an unfamiliar, unedited Indian dance recording (Bharatanatyam). In Bharatanatyam, music and dance are choreographed together in a highly intermodal-dependent manner. Activity in the middle and posterior STG was significantly correlated between subjects and showed also significant enhancement for AV integration when the functional magnetic resonance signals were contrasted against each other using a general linear model conjunction analysis. These results extend previous studies by showing an intermediate step of synchronisation for novice...Continue Reading

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Citations

Aug 15, 2013·Cognitive, Affective & Behavioral Neuroscience·Phil McAleerJeffrey M Zacks
Sep 9, 2015·NeuroImage·Asaf BachrachChristophe Pallier
Mar 17, 2015·Annals of the New York Academy of Sciences·Falisha J KarpatiKrista L Hyde
Aug 25, 2015·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Aleksandra HerbecFrank E Pollick
Jun 13, 2014·Perception·Julia F ChristensenCamilo José Cela-Conde
Dec 19, 2013·I-Perception·Kenzo SakuraiYôiti Suzuki
Oct 16, 2018·Frontiers in Human Neuroscience·Falisha J KarpatiKrista L Hyde
Dec 14, 2018·Neuroscience and Biobehavioral Reviews·Lavinia Teixeira-MachadoJair de Jesus Mari
Feb 16, 2021·Frontiers in Psychology·Shoji Tanaka
May 19, 2021·Frontiers in Psychology·Andrea ZardiRosalba Morese

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