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Pró-Fono Revista de Atualização Científica

Print version ISSN 0104-5687

Abstract

BOSCARIOL, Mirela et al. Temporal auditory processing: correlation with developmental dyslexia and cortical malformation. Pró-Fono R. Atual. Cient. [online]. 2010, vol.22, n.4, pp.537-542. ISSN 0104-5687.  http://dx.doi.org/10.1590/S0104-56872010000400030.

BACKGROUND: temporal auditory processing and developmental dyslexia. AIM: to characterize the temporal auditory processing in children with developmental dyslexia and to correlate findings with cortical malformations. METHOD: twenty school-aged children, ranging in age from 8 to 14 years were evaluated. These children were divided into two groups: the experimental group (EG) was composed by 11 children (eight were male) with developmental dyslexia and the control group (CG) was composed by nine normal children (six were male). After neurological assessment and verification of the intellectual level, language, reading and writing skills in order to determine the diagnosis, children underwent a peripheral audiological evaluation and Random Gap Detection Test and/or Random Gap Detection Test Expanded. RESULTS: a statistically significant difference between children in the EG and CG were observed, with children in the EG presenting worst performances. Most of the children in the EG presented perisylvian polymicrogyria. CONCLUSION: children with developmental dyslexia may present temporal auditory processing disorders with deficits in phonological processing. Cortical malformations may be the anatomical substrate of these disorders.

Keywords : Dyslexia; Hearing; Child.

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