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  Dorsal‐movement and ventral‐form regions are functionally connected during visual‐speech recognition

Borowiak, K., Maguinness, C., & von Kriegstein, K. (2019). Dorsal‐movement and ventral‐form regions are functionally connected during visual‐speech recognition. Human Brain Mapping. doi:10.1002/hbm.24852.

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 Urheber:
Borowiak, Kamila1, 2, 3, Autor           
Maguinness, Corrina1, 2, Autor           
von Kriegstein, Katharina1, 2, Autor           
Affiliations:
1Chair of Cognitive and Clinical Neuroscience, Faculty of Psychology, TU Dresden, Germany, ou_persistent22              
2Max Planck Research Group Neural Mechanisms of Human Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634556              
3Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              

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Schlagwörter: Atypical perception; Dynamic face perception; fMRI; Form; Functional connectivity; High‐functioning ASD; Lip reading; Movement
 Zusammenfassung: Faces convey social information such as emotion and speech. Facial emotion processing is supported via interactions between dorsal‐movement and ventral‐form visual cortex regions. Here, we explored, for the first time, whether similar dorsal–ventral interactions (assessed via functional connectivity), might also exist for visual‐speech processing. We then examined whether altered dorsal–ventral connectivity is observed in adults with high‐functioning autism spectrum disorder (ASD), a disorder associated with impaired visual‐speech recognition. We acquired functional magnetic resonance imaging (fMRI) data with concurrent eye tracking in pairwise matched control and ASD participants. In both groups, dorsal‐movement regions in the visual motion area 5 (V5/MT) and the temporal visual speech area (TVSA) were functionally connected to ventral‐form regions (i.e., the occipital face area [OFA] and the fusiform face area [FFA]) during the recognition of visual speech, in contrast to the recognition of face identity. Notably, parts of this functional connectivity were decreased in the ASD group compared to the controls (i.e., right V5/MT—right OFA, left TVSA—left FFA). The results confirmed our hypothesis that functional connectivity between dorsal‐movement and ventral‐form regions exists during visual‐speech processing. Its partial dysfunction in ASD might contribute to difficulties in the recognition of dynamic face information relevant for successful face‐to‐face communication.

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Sprache(n): eng - English
 Datum: 2019-09-032019-03-292019-10-212019-11-20
 Publikationsstatus: Online veröffentlicht
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 Ort, Verlag, Ausgabe: -
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 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1002/hbm.24852
Anderer: Epub ahead of print
PMID: 31749219
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Projektname : -
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Förderprogramm : Elsa Neumann Scholarship
Förderorganisation : City of Berlin
Projektname : The tiny and the fast: the role of subcortical sensory structures in human communication / SENSOCOM
Grant ID : 647051
Förderprogramm : Horizon 2020
Förderorganisation : European Commission (EC)
Projektname : -
Grant ID : -
Förderprogramm : Max Planck Research Group Grant
Förderorganisation : Max Planck Society

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Titel: Human Brain Mapping
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: New York : Wiley-Liss
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: ISSN: 1065-9471
CoNE: https://pure.mpg.de/cone/journals/resource/954925601686