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  Syntactic and auditory spatial processing in the human temporal cortex: An MEG study

Herrmann, B., Maess, B., Hahne, A., Schröger, E., & Friederici, A. D. (2011). Syntactic and auditory spatial processing in the human temporal cortex: An MEG study. NeuroImage, 57(2), 624-633. doi:10.1016/j.neuroimage.2011.04.034.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-5858-C Version Permalink: http://hdl.handle.net/21.11116/0000-0002-B36A-D
Genre: Journal Article

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 Creators:
Herrmann, Björn1, Author              
Maess, Burkhard1, Author              
Hahne, Anja2, Author              
Schröger, Erich3, Author
Friederici, Angela D.2, Author              
Affiliations:
1Methods and Development Unit MEG and EEG: Signal Analysis and Modelling, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634559              
2Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
3Institute of Psychology, University of Leipzig, Germany, ou_persistent22              

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Free keywords: Interaural time difference; Magnetoencephalography; Perceptual processing; Superior temporal cortex; Syntactic processing
 Abstract: Processing syntax is believed to be a higher cognitive function involving cortical regions outside sensory cortices. In particular, previous studies revealed that early syntactic processes at around 100–200 ms affect brain activations in anterior regions of the superior temporal gyrus (STG), while independent studies showed that pure auditory perceptual processing is related to sensory cortex activations. However, syntax-related modulations of sensory cortices were reported recently, thereby adding diverging findings to the previous studies. The goal of the present magnetoencephalography study was to localize the cortical regions underlying early syntactic processes and those underlying perceptual processes using a within-subject design. Sentences varying the factors syntax (correct vs. incorrect) and auditory space (standard vs. change of interaural time difference (ITD)) were auditorily presented. Both syntactic and auditory spatial anomalies led to very early activations (40–90 ms) in the STG. Around 135 ms after violation onset, differential effects were observed for syntax and auditory space, with syntactically incorrect sentences leading to activations in the anterior STG, whereas ITD changes elicited activations more posterior in the STG. Furthermore, our observations strongly indicate that the anterior and the posterior STG are activated simultaneously when a double violation is encountered. Thus, the present findings provide evidence of a dissociation of speech-related processes in the anterior STG and the processing of auditory spatial information in the posterior STG, compatible with the view of different processing streams in the temporal cortex.

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Language(s): eng - English
 Dates: 2011-04-122011-01-052011-04-182011-04-292011-07-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.neuroimage.2011.04.034
 Degree: -

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Title: NeuroImage
Source Genre: Journal
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Publ. Info: Orlando, FL : Academic Press
Pages: - Volume / Issue: 57 (2) Sequence Number: - Start / End Page: 624 - 633 Identifier: ISSN: 1053-8119
CoNE: https://pure.mpg.de/cone/journals/resource/954922650166