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  Brain mechanisms underlying human communication

Noordzij, M., Newman-Norlund, S. E., De Ruiter, J. P., Hagoort, P., Levinson, S. C., & Toni, I. (2009). Brain mechanisms underlying human communication. Frontiers in Human Neuroscience, 3:14. doi:10.3389/neuro.09.014.2009.

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2009
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© 2009 Noordzij, Newman-Norlund, de Ruiter, Hagoort, Levinson and Toni. This is an open-access article subject to an exclusive license agreement between the authors and the Frontiers Research Foundation, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.
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Noordzij, Matthijs 1, 2, Author           
Newman-Norlund, Sarah E.1, Author
De Ruiter, Jan Peter3, 4, Author           
Hagoort, Peter1, 4, 5, 6, Author           
Levinson, Stephen C.3, 4, Author           
Toni, Ivan1, Author
Affiliations:
1Centre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behavior, External Organizations, ou_63283              
2Department of Cognitive Psychology and Ergonomics, University of Twente, The Netherlands, ou_persistent22              
3Language and Cognition Group, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_55204              
4Multimodal Interaction, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_55216              
5Neurobiology of Language Group, MPI for Psycholinguistics, Max Planck Society, Nijmegen, NL, ou_102880              
6Centre for Cognition, Donders Institute for Brain, Cognition and Behavior, ou_persistent22              

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 Abstract: Human communication has been described as involving the coding-decoding of a conventional symbol system, which could be supported by parts of the human motor system (i.e. the “mirror neurons system”). However, this view does not explain how these conventions could develop in the first place. Here we target the neglected but crucial issue of how people organize their non-verbal behavior to communicate a given intention without pre-established conventions. We have measured behavioral and brain responses in pairs of subjects during communicative exchanges occurring in a real, interactive, on-line social context. In two fMRI studies, we found robust evidence that planning new communicative actions (by a sender) and recognizing the communicative intention of the same actions (by a receiver) relied on spatially overlapping portions of their brains (the right posterior superior temporal sulcus). The response of this region was lateralized to the right hemisphere, modulated by the ambiguity in meaning of the communicative acts, but not by their sensorimotor complexity. These results indicate that the sender of a communicative signal uses his own intention recognition system to make a prediction of the intention recognition performed by the receiver. This finding supports the notion that our communicative abilities are distinct from both sensorimotor processes and language abilities.

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Language(s): eng - English
 Dates: 20092009
 Publication Status: Published online
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 Rev. Type: Peer
 Identifiers: DOI: 10.3389/neuro.09.014.2009
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Title: Frontiers in Human Neuroscience
Source Genre: Journal
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Pages: - Volume / Issue: 3:14 Sequence Number: - Start / End Page: - Identifier: -