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ERIC Number: EJ927104
Record Type: Journal
Publication Date: 2011-Jun
Pages: 12
Abstractor: As Provided
Reference Count: N/A
ISSN: ISSN-0028-3932
Is Developmental Dyslexia Modality Specific? A Visual-Auditory Comparison of Italian Dyslexics
Marinelli, Chiara Valeria; Angelelli, Paola; Di Filippo, Gloria; Zoccolotti, Pierluigi
Neuropsychologia, v49 n7 p1718-1729 Jun 2011
Although developmental dyslexia is often referred to as a cross-modal disturbance, tests of different modalities using the same stimuli are lacking. We compared the performance of 23 children with dyslexia and 42 chronologically matched control readers on reading versus repetition tasks and visual versus auditory lexical decision using the same stimuli. With respect to control readers, children with dyslexia were impaired only on stimuli in the visual modality; they had no deficit on the repetition and auditory lexical decision tasks. By applying the rate-amount model (Faust et al., 1999), we showed that performance of children with dyslexia on visual (but not auditory) tasks was associated with that of control readers by a linear relationship (with a 1.78 slope), suggesting that a global factor accounts for visual (but not auditory) task performance. We conclude that the processing of linguistic stimuli in the visual and auditory modalities is carried out by independent processes and that dyslexic children have a selective deficit in the visual modality. (Contains 3 figures and 2 tables.)
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Italy