Pediatric Neurology Part I: Chapter 23. Dyslexia

Pediatric Neurology Part I: Chapter 23. Dyslexia
ISBN-10
012807728X
ISBN-13
9780128077283
Series
Pediatric Neurology Part I
Category
Medical
Pages
892
Language
English
Published
2013-04-24
Publisher
Elsevier Inc. Chapters
Authors
Michel Habib, Kimberly Giraud

Description

Developmental dyslexia (DD) is a specific and persistent disability affecting the acquisition of written language. Prevalence is estimated to be between 5% and 17% of school-aged children; it therefore represents a major public health issue. Neurological in origin, its causes are unknown, although there is a clear genetic component. Diagnosis rests upon the use of standardized tests and tools to assess reading and spelling, as well as phonological skills. The importance of early diagnosis cannot be overemphasized and much current research is focusing on screening and prediction, particularly through use of objective imaging techniques (e.g., EEG/MEG), which have implicated cortical abnormalities in central auditory processing (). Remediation should be intensive, begin as early as possible, and be tailored to the individual. Phonics based treatments are most effective and several variants, incorporating temporal auditory, articulatory, or multisensory training exercises, have been developed or proposed. Clinical improvements in phonological skills and reading with such treatments have been shown to correlate with changes in the brains of dyslexic children in several functional imaging studies.

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