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Alterations on auditory abilities at school-aged children

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Author(s):
Silvana Maria Bruno da Costa
Total Authors: 1
Document type: Doctoral Thesis
Press: São Paulo.
Institution: Universidade de São Paulo (USP). Faculdade de Saúde Pública (FSP/CIR)
Defense date:
Examining board members:
Maria Regina Alves Cardoso; Katia de Freitas Alvarenga; Doris Ruthi Lewis; Iêda Chaves Pacheco Russo; Eliane Schochat
Advisor: Maria Regina Alves Cardoso
Abstract

The auditory processing disorders has been related to a low school progress at school-aged children. The aim of the present work was to identify the prevalence of alterations on auditory abilities and the risk factors and behavioural characteristics associated to these alterations. Two hundred ten school-aged children were submitted auditory processing tests and electrophysiological measures. The results showed 32,38% (lC95%: 24,59% A 40,18%) of the prevalence. It was carried on multiply logistic regression it showed that the main risk factors were perinatal hypoxia, middle ear infection, Pa latency of the Middle Latency Response and P300 latency were altered, and hearing level higher than 10dBHL in one or more frequency. Behavioural characteristics founded in the schoolaged children were low school progress, difficulty in sound localization, poor vocabulary and problems with obedience to rules. (AU)