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Effects of Training on Timbre Recognition and Appraisal by Postlingually Deafened Cochlear Implant Recipients

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The purpose of this study was to compare the effect of structured training on recognition and appraisal of the timbre (tone quality) of musical instruments by postlingually deafened cochlear implant recipients. Twenty-four implant users (Nucleus C124M) were randomly assigned to a control or a training group. The control group experienced only incidental exposure to music in their usual daily routine. The training group participated in 12 weeks of training delivered via a laptop computer in which they were introduced to excerpts of musical instruments representing three frequency ranges and four instrumental families. Those implant recipients assigned to the training group showed significant improvement in timbre recognition (p < .0001) and timbre appraisal (p < .02) compared to the control group. Correlations between timbre measures and speech perception measures are discussed.

Spanish
El propósito de este estudio fue comparar el efecto de un entrenamiento estructurado para el reconocimiento y la apreciación del timbre (calidad tonal) de instrumentos musicales, en sujetos con sorderas post-lingüísticas utilizando implantes cocleares. Veinticuatro sujetos implantados (Nucleus C124M) fueron distribuidos al azar en un grupo de entrenamiento y en otro de control. El grupo de control experimentó solamente una exposición incidental a la música en su rutina cotidiana usual. El grupo de entrenamiento participó de un entrenamiento de 12 semanas realizado a través de una computadora portátil a la cuál se le introdujeron selecciones de instrumentos musicales en tres rangos frecuenciales y con cuatro familias de instrumentos. Aquellos sujetos implantados asignados al grupo de entrenamiento mostraron una mejoría significativa en el reconocimiento del timbre (p < .0001) y en la apreciación del timbre (p < .02) comparados con el grupo control. Se discuten tambien correlaciones entre las medidas del timbre y las medidas de percepción auditiva.
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Keywords: COCHLEAR IMPLANTS; MUSIC; NORMAL-HEARING ADULTS; TIMBRE; TONE QUALITY

Document Type: Research Article

Publication date: 01 March 2002

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