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dc.contributor.authorSato, Wataruen
dc.contributor.authorKochiyama, Takanorien
dc.contributor.authorUono, Shotaen
dc.contributor.authorSawada, Reikoen
dc.contributor.authorKubota, Yasutakaen
dc.contributor.authorYoshimura, Sayakaen
dc.contributor.authorToichi, Motomien
dc.contributor.alternative佐藤, 弥ja
dc.contributor.alternative魚野, 翔太ja
dc.contributor.alternative澤田, 玲子ja
dc.contributor.alternative義村, さや香ja
dc.date.accessioned2019-10-15T04:10:41Z-
dc.date.available2019-10-15T04:10:41Z-
dc.date.issued2019-09-
dc.identifier.issn1065-9471-
dc.identifier.urihttp://hdl.handle.net/2433/244290-
dc.description.abstractDynamic facial expressions of emotions constitute natural and powerful means of social communication in daily life. A number of previous neuroimaging studies have explored the neural mechanisms underlying the processing of dynamic facial expressions, and indicated the activation of certain social brain regions (e.g., the amygdala) during such tasks. However, the activated brain regions were inconsistent across studies, and their laterality was rarely evaluated. To investigate these issues, we measured brain activity using functional magnetic resonance imaging in a relatively large sample (n = 51) during the observation of dynamic facial expressions of anger and happiness and their corresponding dynamic mosaic images. The observation of dynamic facial expressions, compared with dynamic mosaics, elicited stronger activity in the bilateral posterior cortices, including the inferior occipital gyri, fusiform gyri, and superior temporal sulci. The dynamic facial expressions also activated bilateral limbic regions, including the amygdalae and ventromedial prefrontal cortices, more strongly versus mosaics. In the same manner, activation was found in the right inferior frontal gyrus (IFG) and left cerebellum. Laterality analyses comparing original and flipped images revealed right hemispheric dominance in the superior temporal sulcus and IFG and left hemispheric dominance in the cerebellum. These results indicated that the neural mechanisms underlying processing of dynamic facial expressions include widespread social brain regions associated with perceptual, emotional, and motor functions, and include a clearly lateralized (right cortical and left cerebellar) network like that involved in language processing.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherWileyen
dc.rightsThis is the peer reviewed version of the following article: Sato, W, Kochiyama, T, Uono, S, et al. Widespread and lateralized social brain activity for processing dynamic facial expressions. Hum Brain Mapp. 2019; 40: 3753– 3768., which has been published in final form at https://doi.org/10.1002/hbm.24629. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.en
dc.rightsThe full-text file will be made open to the public on 2 August 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.en
dc.rightsこの論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。ja
dc.rightsThis is not the published version. Please cite only the published version.en
dc.subjectamygdalaen
dc.subjectdynamic facial expressionen
dc.subjectfunctional magnetic resonance imaging (fMRI)en
dc.subjectinferior frontal gyrusen
dc.subjectlateralityen
dc.subjectsuperior temporal sulcusen
dc.titleWidespread and lateralized social brain activity for processing dynamic facial expressionsen
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleHuman Brain Mappingen
dc.identifier.volume40-
dc.identifier.issue13-
dc.identifier.spage3753-
dc.identifier.epage3768-
dc.relation.doi10.1002/hbm.24629-
dc.textversionauthor-
dc.addressKokoro Research Center, Kyoto Universityen
dc.addressBrain Activity Imaging Center, ATR-Promotions, Inc., Kyotoen
dc.addressDepartment of Neurodevelopmental Psychiatry, Habilitation and Rehabilitation, Kyoto Universityen
dc.addressDepartment of Neurodevelopmental Psychiatry, Habilitation and Rehabilitation, Kyoto Universityen
dc.addressHealth and Medical Services Center, Shiga Universityen
dc.addressDepartment of Neurodevelopmental Psychiatry, Habilitation and Rehabilitation, Kyoto Universityen
dc.addressFaculty of Human Health Science, Kyoto University・The Organization for Promoting Neurodevelopmental Disorder Research, Kyotoen
dc.identifier.pmid31090126-
dcterms.accessRightsopen access-
datacite.date.available2020-08-02-
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