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Research Article

Tailoring auditory training to patient needs with single and multiple talkers: Transfer-appropriate gains on a four-choice discrimination test

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Pages 802-808 | Received 10 May 2010, Accepted 14 Jun 2011, Published online: 20 Sep 2011
 

Abstract

Abstract

Objective: Our long-term objective is to develop an auditory training program that will enhance speech recognition in those situations where patients most want improvement. As a first step, the current investigation trained participants using either a single talker or multiple talkers to determine if auditory training leads to transfer-appropriate gains. Design: The experiment implemented a 2 × 2 × 2 mixed design, with training condition as a between-participants variable and testing interval and test version as repeated-measures variables. Participants completed a computerized six-week auditory training program wherein they heard either the speech of a single talker or the speech of six talkers. Training gains were assessed with single-talker and multi-talker versions of the Four-choice discrimination test. Participants in both groups were tested on both versions. Study sample: Sixty-nine adult hearing-aid users were randomly assigned to either single-talker or multi-talker auditory training. Results: Both groups showed significant gains on both test versions. Participants who trained with multiple talkers showed greater improvement on the multi-talker version whereas participants who trained with a single talker showed greater improvement on the single-talker version. Conclusion: Transfer-appropriate gains occurred following auditory training, suggesting that auditory training can be designed to target specific patient needs.

Sumario

Objetivo: Nuestro objetivo a largo plazo es desarrollar un programa de entrenamiento auditivo que mejore el reconocimiento del lenguaje en aquellas situaciones en las que los pacientes lo requieran más. Como un primer paso, la investigación actual entrenó a los participantes utilizando un solo hablante o múltiples hablantes para determinar si el entrenamiento auditivo logra transferir una ganancia apropiada. Diseño: En el experimento se implementó un dise o mixto 2 × 2 × 2 con las condiciones de entrenamiento como una variable entre los participantes, y los intervalos de evaluación y la versión de la prueba como variables de medidas repetidas. Los participantes completaron un programa de entrenamiento auditivo computarizado de seis semanas en donde oían el discurso de un solo hablante o de seis hablantes. La ganancia lograda por el entrenamiento fue evaluada por medio de la prueba de discriminación de cuatro opciones en la versión de uno y de seis hablantes. Los participantes en ambos grupos fueron evaluados con ambas versiones. Muestra: Sesenta y nueve adultos usuarios de auxiliar auditivo fueron asignados al azar para recibir entrenamiento con uno o con seis hablantes. Resultados: Ambos grupos mostraron una ganancia significativa en ambas versiones de la prueba. Los participantes que se entrenaron con múltiples hablantes mostraron una mayor mejoría en la versión multi-hablantes mientras que los participantes entrenados con un solo hablante mostraron una mejoría mayor en la versión de un solo hablante. Conclusiones: La ganancia correspondiente a la transferencia apropiada ocurrió después del entrenamiento auditivo, lo que sugiere que el entrenamiento auditivo puede ser diseñado para necesidades específicas de los pacientes.

Acknowledgements

This work was supported by a grant from the National Institutes of Health #RO1DC008964-01A1. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institute of Deafness and Communication Disorders or the National Institutes of Health. The authors would like to thank Kevin Sullivan for selecting clip art for the program. We would also like to thank the Microsoft® for permission to use their clip art.

Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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