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  Implicit processing of phonotactic cues: Evidence from electrophysiological and vascular responses

Rossi, S., Jürgenson, I. B., Hanulikova, A., Telkemeyer, S., Wartenburger, I., & Obrig, H. (2011). Implicit processing of phonotactic cues: Evidence from electrophysiological and vascular responses. Journal of Cognitive Neuroscience, 23(7), 1752-1764. doi:10.1162/jocn.2010.21547.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-2A21-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-C396-2
Genre: Journal Article

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 Creators:
Rossi, Sonja1, 2, Author              
Jürgenson, Ina B.1, Author
Hanulikova, Adriana3, Author
Telkemeyer, Silke1, 4, Author
Wartenburger, Isabell1, 5, Author
Obrig, Hellmuth1, 2, 6, Author              
Affiliations:
1Charité University Medicine, Berlin, Germany, ou_persistent22              
2Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
3Max Planck Institute for Psycholinguistics, Nijmegen, the Netherlands, ou_persistent22              
4Humboldt-University Berlin, Germany, ou_persistent22              
5University of Potsdam, Germany, ou_persistent22              
6University Hospital, Leipzig, Germany, ou_persistent22              

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 Abstract: Spoken word recognition is achieved via competition between activated lexical candidates that match the incoming speech input. The competition is modulated by prelexical cues that are important for segmenting the auditory speech stream into linguistic units. One such prelexical cue that listeners rely on in spoken word recognition is phonotactics. Phonotactics defines possible combinations of phonemes within syllables or words in a given language. The present study aimed at investigating both temporal and topographical aspects of the neuronal correlates of phonotactic processing by simultaneously applying event-related brain potentials (ERPs) and functional near-infrared spectroscopy (fNIRS). Pseudowords, either phonotactically legal or illegal with respect to the participants' native language, were acoustically presented to passively listening adult native German speakers. ERPs showed a larger N400 effect for phonotactically legal compared to illegal pseudowords, suggesting stronger lexical activation mechanisms in phonotactically legal material. fNIRS revealed a left hemispheric network including fronto-temporal regions with greater response to phonotactically legal pseudowords than to illegal pseudowords. This confirms earlier hypotheses on a left hemispheric dominance of phonotactic processing most likely due to the fact that phonotactics is related to phonological processing and represents a segmental feature of language comprehension. These segmental linguistic properties of a stimulus are predominantly processed in the left hemisphere. Thus, our study provides first insights into temporal and topographical characteristics of phonotactic processing mechanisms in a passive listening task. Differential brain responses between known and unknown phonotactic rules thus supply evidence for an implicit use of phonotactic cues to guide lexical activation mechanisms.

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Language(s): eng - English
 Dates: 2009201020102011-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1162/jocn.2010.21547
 Degree: -

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Title: Journal of Cognitive Neuroscience
Source Genre: Journal
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Publ. Info: Cambridge, MA : MIT Press Journals
Pages: - Volume / Issue: 23 (7) Sequence Number: - Start / End Page: 1752 - 1764 Identifier: Other: 991042752752726
ISSN: 0898-929X