Predictors of developmental dyslexia in European orthographies with varying complexity.

Autor: Landerl K; Department of Psychology, University of Graz, Graz, Austria. karin.landerl@uni-graz.at, Ramus F, Moll K, Lyytinen H, Leppänen PH, Lohvansuu K, O'Donovan M, Williams J, Bartling J, Bruder J, Kunze S, Neuhoff N, Tóth D, Honbolygó F, Csépe V, Bogliotti C, Iannuzzi S, Chaix Y, Démonet JF, Longeras E, Valdois S, Chabernaud C, Delteil-Pinton F, Billard C, George F, Ziegler JC, Comte-Gervais I, Soares-Boucaud I, Gérard CL, Blomert L, Vaessen A, Gerretsen P, Ekkebus M, Brandeis D, Maurer U, Schulz E, van der Mark S, Müller-Myhsok B, Schulte-Körne G
Jazyk: angličtina
Zdroj: Journal of child psychology and psychiatry, and allied disciplines [J Child Psychol Psychiatry] 2013 Jun; Vol. 54 (6), pp. 686-94. Date of Electronic Publication: 2012 Dec 10.
DOI: 10.1111/jcpp.12029
Abstrakt: Background:  The relationship between phoneme awareness, rapid automatized naming (RAN), verbal short-term/working memory (ST/WM) and diagnostic category is investigated in control and dyslexic children, and the extent to which this depends on orthographic complexity.
Methods: General cognitive, phonological and literacy skills were tested in 1,138 control and 1,114 dyslexic children speaking six different languages spanning a large range of orthographic complexity (Finnish, Hungarian, German, Dutch, French, English).
Results: Phoneme deletion and RAN were strong concurrent predictors of developmental dyslexia, while verbal ST/WM and general verbal abilities played a comparatively minor role. In logistic regression models, more participants were classified correctly when orthography was more complex. The impact of phoneme deletion and RAN-digits was stronger in complex than in less complex orthographies.
Conclusions: Findings are largely consistent with the literature on predictors of dyslexia and literacy skills, while uniquely demonstrating how orthographic complexity exacerbates some symptoms of dyslexia.
(© 2012 The Authors. Journal of Child Psychology and Psychiatry © 2012 Association for Child and Adolescent Mental Health.)
Databáze: MEDLINE
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