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Original Article

Learning effect when using the Danish Hagerman sentences (Dantale II) to determine speech reception threshold

El efecto de aprendizaje al utilizar oraciones danesas Hagerman (Dantale II) para determinar el umbral de recepción del habla

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Pages 509-512 | Published online: 07 Jul 2009
 

Abstract

The objective of the present study was to examine the learning effect found when using the Danish sentence test, Dantale II, in our daily clinical work. Specifically, the aim was to determine the within-visit and the inter-visit learning effects when the Dantale II is presented to aided hearing-impaired listeners who have not previously completed the task. Nineteen subjects participated in the study. The within-visit learning effect after listening to 160 sentences was found to be 3.2 dB, and the inter-visit learning effect was 1.6 dB with an inter-visit period range of 14–43 days. For research evaluation of algorithms or hearing aid settings, where the differences are expected to be small, it is recommended that a pool of test subjects are regularly tested using the Dantale II speech material. Moreover, a limitation of the number of signal processing test conditions is suggested.

Sumario

El objetivo de este estudio fue examinar el efecto de aprendizaje al utilizar la prueba danesa de oraciones Dantale II en trabajo clínico cotidiano. Se intenta determinar el aprendizaje intra e inter-consulta cuando se presentan las oraciones Dantale II a hipoacúsicos con auxiliar auditivo que no habían realizado esta tarea antes. Participaron 19 sujetos en el estudio. Se encontró un efecto intra-consulta de 3.2 dB después de escuchar 160 oraciones y el efecto de aprendizaje entre consultas con un lapso entre 14 y 43 días fue de 1.6 dB. Para los algoritmos de evaluación o las condiciones para auxiliares auditivos en donde se espera que las diferencias sean pequeñas, se recomienda tener un grupo de sujetos de prueba que sean regularmente examinados con el material Dantale II. Además se sugiere limitar el número de condiciones de prueba de procesamiento de señal.

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