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  Phonological abilities in literacy-impaired children: Brain potentials reveal deficient phoneme discrimination, but intact prosodic processing

Männel, C., Schaadt, G., Illner, F. K., van der Meer, E., & Friederici, A. D. (2017). Phonological abilities in literacy-impaired children: Brain potentials reveal deficient phoneme discrimination, but intact prosodic processing. Developmental Cognitive Neuroscience, 23, 14-25. doi:10.1016/j.dcn.2016.11.007.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-0A57-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C4F0-0
Genre: Journal Article

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 Creators:
Männel, Claudia1, Author              
Schaadt, Gesa1, 2, Author              
Illner, Franziska K2, Author
van der Meer, Elke2, 3, Author
Friederici, Angela D.1, 3, Author              
Affiliations:
1Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
2Department of Psychology, Humboldt University Berlin, Germany, ou_persistent22              
3Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              

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Free keywords: Literacy; Phonology; Prosody; Mismatch negativity (MMN); Closure positive shift (CPS)
 Abstract: Intact phonological processing is crucial for successful literacy acquisition. While individuals with difficulties in reading and spelling (i.e., developmental dyslexia) are known to experience deficient phoneme discrimination (i.e., segmental phonology), findings concerning their prosodic processing (i.e., suprasegmental phonology) are controversial. Because there are no behavior-independent studies on the underlying neural correlates of prosodic processing in dyslexia, these controversial findings might be explained by different task demands. To provide an objective behavior-independent picture of segmental and suprasegmental phonological processing in impaired literacy acquisition, we investigated event-related brain potentials during passive listening in typically and poor-spelling German school children. For segmental phonology, we analyzed the Mismatch Negativity (MMN) during vowel length discrimination, capturing automatic auditory deviancy detection in repetitive contexts. For suprasegmental phonology, we analyzed the Closure Positive Shift (CPS) that automatically occurs in response to prosodic boundaries. Our results revealed spelling group differences for the MMN, but not for the CPS, indicating deficient segmental, but intact suprasegmental phonological processing in poor spellers. The present findings point towards a differential role of segmental and suprasegmental phonology in literacy disorders and call for interventions that invigorate impaired literacy by utilizing intact prosody in addition to training deficient phonemic awareness.

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Language(s): eng - English
 Dates: 2016-11-162016-04-122016-11-232016-11-272017-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.dcn.2016.11.007
PMID: 28011436
Other: Epub 2016
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Funding organization : Max Planck Society
Project name : Legascreen
Grant ID : M.FE.A.NEPF0001
Funding program : -
Funding organization : Fraunhofer Society and Max Planck Society
Project name : -
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Funding program : -
Funding organization : Studienstiftung des Deutschen Volkes
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Funding organization : Humboldt Universität zu Berlin

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Title: Developmental Cognitive Neuroscience
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 23 Sequence Number: - Start / End Page: 14 - 25 Identifier: ISSN: 1878-9293
CoNE: /journals/resource/1878-9293