Children with dyslexia reveal abnormal native language representations: evidence from a study of mismatch negativity.

Détails

ID Serval
serval:BIB_FD83B66F9515
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Children with dyslexia reveal abnormal native language representations: evidence from a study of mismatch negativity.
Périodique
Psychophysiology
Auteur(s)
Bruder J., Leppänen P.H., Bartling J., Csépe V., Démonet J.F., Schulte-Körne G.
ISSN
1540-5958 (Electronic)
ISSN-L
0048-5772
Statut éditorial
Publié
Date de publication
2011
Peer-reviewed
Oui
Volume
48
Numéro
8
Pages
1107-1118
Langue
anglais
Notes
Publication types: Journal Article ; Research Support, Non-U.S. Gov'tPublication Status: ppublish
Résumé
Although a deficit perceiving phonemes, as indexed by the mismatch negativity (MMN), is apparent in developmental dyslexia (DD), studies have not yet addressed whether this deficit might be a result of deficient native language speech representations. The present study examines how a native-vowel prototype and an atypical vowel are discriminated by 9-year-old children with (n = 14) and without (n = 12) DD. MMN was elicited in all conditions in both groups. The control group revealed enhanced MMN to the native-vowel prototype in comparison to the atypical vowel. Children with DD did not show enhanced MMN amplitude to the native-vowel prototype, suggesting impaired tuning to native language speech representations. Furthermore, higher MMN amplitudes to the native-vowel prototype correlated with more advanced reading (r = - .47) and spelling skills (r = - .52).
Mots-clé
Acoustic Stimulation, Brain/physiology, Child, Dyslexia/physiopathology, Electroencephalography, Evoked Potentials, Auditory/physiology, Female, Humans, Language, Male, Speech Perception/physiology
Pubmed
Web of science
Création de la notice
24/03/2013 20:33
Dernière modification de la notice
20/08/2019 17:28
Données d'usage