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  Disentangling syntax and intelligibility in auditory language comprehension

Friederici, A. D., Kotz, S. A., Scott, S. K., & Obleser, J. (2010). Disentangling syntax and intelligibility in auditory language comprehension. Human Brain Mapping, 31(3), 448-457. doi:10.1002/hbm.20878.

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 Creators:
Friederici, Angela D.1, Author           
Kotz, Sonja A.2, Author           
Scott, Sophie K.3, Author
Obleser, Jonas1, Author           
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Minerva Research Group Neurocognition of Rhythm in Communication, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634560              
3Institute of Cognitive Neuroscience, University College London, United Kingdom, ou_persistent22              

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Free keywords: fMRI; Intelligibility; Sentences; Speech; STG; STS
 Abstract: Studies of the neural basis of spoken language comprehension typically focus on aspects of auditory processing by varying signal intelligibility, or on higher-level aspects of language processing such as syntax. Most studies in either of these threads of language research report brain activation including peaks in the superior temporal gyrus (STG) and/or the superior temporal sulcus (STS), but it is not clear why these areas are recruited in functionally different studies. The current fMRI study aims to disentangle the functional neuroanatomy of intelligibility and syntax in an orthogonal design. The data substantiate functional dissociations between STS and STG in the left and right hemispheres: first, manipulations of speech intelligibility yield bilateral mid-anterior STS peak activation, whereas syntactic phrase structure violations elicit strongly left-lateralized mid STG and posterior STS activation. Second, ROI analyses indicate all interactions of speech intelligibility and syntactic correctness to be located in the left frontal and temporal cortex, while the observed right-hemispheric activations reflect less specific responses to intelligibility and syntax. Our data demonstrate that the mid-toanterior STS activation is associated with increasing speech intelligibility, while the mid-to-posterior STG/STS is more sensitive to syntactic information within the speech. © 2009 Wiley-Liss, Inc.

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Language(s): eng - English
 Dates: 2009-04-292009-07-132010-02-122010
 Publication Status: Issued
 Pages: -
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 Identifiers: eDoc: 512117
DOI: 10.1002/hbm.20878
PMC: PMC6870868
PMID: 19718654
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Funding organization : Max Planck Society (MPG)
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Funding organization : German Research Foundation (DFG)
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Funding organization : Wellcome Trust (WT)

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Title: Human Brain Mapping
Source Genre: Journal
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Publ. Info: New York : Wiley-Liss
Pages: - Volume / Issue: 31 (3) Sequence Number: - Start / End Page: 448 - 457 Identifier: ISSN: 1065-9471
CoNE: https://pure.mpg.de/cone/journals/resource/954925601686