Brazilian journal of otorhinolaryngology · 2012
Role of the medial olivocochlear system among children with ADHD.
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Pereira Valéria Reis do Canto, Feitosa Maria Ângela Guimarães, Pereira Luiz Henrique Mourão do Canto, Azevedo Marisa Frasson de
Аннотация
UNLABELLED: Attention deficit hyperactivity disorder (ADHD) patients show, as one of the main symptoms, an attentional impairment. Selective attention in the hearing process is the ability to understand speech in a noisy environment, which can be evaluated by several methods. One of the main approaches is the functioning of the Medial Olivocochlear Efferent System, which can be accessed by Transient-Evoked Otoacoustic Emissions (TOAE).
OBJECTIVE: This study aimed at evaluating the suppression effect of contralateral noise on TOAE in ADHD (study group) and normal subjects (control group).
STUDY DESIGN: Case-control study.
MATERIAL AND METHODS: A study with 20 children distributed in two, age- and gender-matched groups.
RESULTS: No differences were found in TOAE responses between the two groups, with and without noise.
CONCLUSIONS: We conclude that there were no functional differences in the Medial Olivocochlear Efferent System in the two groups analyzed.
OBJECTIVE: This study aimed at evaluating the suppression effect of contralateral noise on TOAE in ADHD (study group) and normal subjects (control group).
STUDY DESIGN: Case-control study.
MATERIAL AND METHODS: A study with 20 children distributed in two, age- and gender-matched groups.
RESULTS: No differences were found in TOAE responses between the two groups, with and without noise.
CONCLUSIONS: We conclude that there were no functional differences in the Medial Olivocochlear Efferent System in the two groups analyzed.