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  Characterizing the morphosyntactic processing deficit and its relationship to phonology in developmental dyslexia

Cantiani, C., Lorusso, M. L., Guasti, M. T., Sabisch, B., & Männel, C. (2013). Characterizing the morphosyntactic processing deficit and its relationship to phonology in developmental dyslexia. Neuropsychologia, 51(8), 1595-1607. doi:10.1016/j.neuropsychologia.2013.04.009.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000E-F6F5-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-ACD0-0
Genre: Journal Article

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 Creators:
Cantiani, Chiara1, 2, 3, Author
Lorusso, Maria Luisa2, Author
Guasti, Maria Teresa1, Author
Sabisch, Beate3, 4, Author              
Männel, Claudia3, Author              
Affiliations:
1University of Milano-Bicocca, Italy, ou_persistent22              
2Scientific Institute E. Medea, Bosisio Parini, Italy, ou_persistent22              
3Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634551              
4Luisen Hospital, Bad Dürrheim, ou_persistent22              

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Free keywords: Developmental dyslexia; Morphosyntax; Phonology; Event-related potentials (ERP)
 Abstract: This study explores the morphosyntactic processing deficit in developmental dyslexia, addressing the on-going debate on the linguistic nature of the disorder, and directly testing the hypothesis that the deficit is based on underlying processing difficulties, such as acoustic and/or phonological impairments. Short German sentences consisting of a pronoun and a verb, either correct or containing a morphosyntactic violation, were auditorily presented to 17 German-speaking adults with dyslexia, and 17 matched control participants, while an EEG was recorded. In order to investigate the interaction between low-level phonological processing and morphosyntactic processing, the verbal inflections were manipulated to consist of different levels of acoustic salience. The event-related potential (ERP) results confirm altered morphosyntactic processing in participants with dyslexia, especially when morphosyntactic violations are expressed by both lexical and inflectional changes. Moreover, ERP data on phoneme discrimination and behavioural data on phonemic awareness and verbal short-term memory reveal phonological deficits in dyslexic participants. However, a causal relationship between phonological and morphosyntactic processing was not conclusive, because anomalous morphosyntactic processing in dyslexia is not directly mediated by acoustic salience, rather it correlates with high-level phonological skills and is mediated by lexical cues.

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Language(s): eng - English
 Dates: 2013-03-282012-03-122013-04-182013-04-272013-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.neuropsychologia.2013.04.009
PMID: 23628368
Other: Epub 2013
 Degree: -

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Title: Neuropsychologia
Source Genre: Journal
 Creator(s):
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Publ. Info: Oxford : Pergamon
Pages: - Volume / Issue: 51 (8) Sequence Number: - Start / End Page: 1595 - 1607 Identifier: ISSN: 0028-3932
CoNE: https://pure.mpg.de/cone/journals/resource/954925428258