International journal of pediatric otorhinolaryngology · 2017
Medial olivocochlear function in children with poor speech-in-noise performance and language disorder.
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Rocha-Muniz Caroline Nunes, Mamede Carvallo Renata Mota, Schochat Eliane
Аннотация
OBJECTIVES: Contralateral masking of transient-evoked otoacoustic emissions is a phenomenon that suggests an inhibitory effect of the olivocochlear efferent auditory pathway. Many studies have been inconclusive in demonstrating a clear connection between this system and a behavioral speech-in-noise listening skill. The purpose of this study was to investigate the activation of a medial olivocochlear (MOC) efferent in children with poor speech-in-noise (PSIN) performance and children with language impairment and PSIN (SLI + PSIN).
METHODS: Transient evoked otoacoustic emissions (TEOAEs) with and without contralateral white noise were tested in 52 children (between 6 and 12 years). These children were arranged in three groups: typical development (TD) (n = 25), PSIN (n = 14) and SLI + PSI (n = 13).
RESULTS: PSIN and SLI + PSI groups presented reduced otoacoustic emission suppression in comparison with the TD group.
CONCLUSION: Our finding suggests differences in MOC function among children with typical development and children with poor SIN and language problems.
METHODS: Transient evoked otoacoustic emissions (TEOAEs) with and without contralateral white noise were tested in 52 children (between 6 and 12 years). These children were arranged in three groups: typical development (TD) (n = 25), PSIN (n = 14) and SLI + PSI (n = 13).
RESULTS: PSIN and SLI + PSI groups presented reduced otoacoustic emission suppression in comparison with the TD group.
CONCLUSION: Our finding suggests differences in MOC function among children with typical development and children with poor SIN and language problems.