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Neural integration of iconic and unrelated coverbal gestures: A functional MRI study
Human brain mapping, 2009-10, Vol.30 (10), p.3309-3324
Green, Antonia
Straube, Benjamin
Weis, Susanne
Jansen, Andreas
Willmes, Klaus
Konrad, Kerstin
Kircher, Tilo
2009
Details
Autor(en) / Beteiligte
Green, Antonia
Straube, Benjamin
Weis, Susanne
Jansen, Andreas
Willmes, Klaus
Konrad, Kerstin
Kircher, Tilo
Titel
Neural integration of iconic and unrelated coverbal gestures: A functional MRI study
Ist Teil von
Human brain mapping, 2009-10, Vol.30 (10), p.3309-3324
Ort / Verlag
Hoboken: Wiley Subscription Services, Inc., A Wiley Company
Erscheinungsjahr
2009
Link zum Volltext
Quelle
Free E-Journal (出版社公開部分のみ)
Beschreibungen/Notizen
Gestures are an important part of interpersonal communication, for example by illustrating physical properties of speech contents (e.g., “the ball is round”). The meaning of these so‐called iconic gestures is strongly intertwined with speech. We investigated the neural correlates of the semantic integration for verbal and gestural information. Participants watched short videos of five speech and gesture conditions performed by an actor, including variation of language (familiar German vs. unfamiliar Russian), variation of gesture (iconic vs. unrelated), as well as isolated familiar language, while brain activation was measured using functional magnetic resonance imaging. For familiar speech with either of both gesture types contrasted to Russian speech‐gesture pairs, activation increases were observed at the left temporo‐occipital junction. Apart from this shared location, speech with iconic gestures exclusively engaged left occipital areas, whereas speech with unrelated gestures activated bilateral parietal and posterior temporal regions. Our results demonstrate that the processing of speech with speech‐related versus speech‐unrelated gestures occurs in two distinct but partly overlapping networks. The distinct processing streams (visual versus linguistic/spatial) are interpreted in terms of “auxiliary systems” allowing the integration of speech and gesture in the left temporo‐occipital region. Hum Brain Mapp, 2009. © 2009 Wiley‐Liss, Inc.
Sprache
Englisch
Identifikatoren
ISSN: 1065-9471
eISSN: 1097-0193
DOI: 10.1002/hbm.20753
Titel-ID: cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_6870774
Format
–
Schlagworte
Adult
,
Analysis of Variance
,
Biological and medical sciences
,
Brain - blood supply
,
Brain - physiology
,
Brain Mapping
,
Comprehension - physiology
,
Electrodiagnosis. Electric activity recording
,
fMRI
,
Gestures
,
Humans
,
Image Processing, Computer-Assisted - methods
,
Investigative techniques, diagnostic techniques (general aspects)
,
language
,
Magnetic Resonance Imaging - methods
,
Male
,
Medical sciences
,
Middle Aged
,
multimodal integration
,
Nervous system
,
Oxygen - blood
,
perception
,
Photic Stimulation - methods
,
Radiodiagnosis. Nmr imagery. Nmr spectrometry
,
Recognition (Psychology) - physiology
,
semantic processing
,
Speech - physiology
,
Young Adult
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