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Master thesis . 2017
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Estudio de resultados en las diferentes formas del test matricial de Oldenburg. Un nuevo test de frases matriciales en ruido adaptativo

Authors: Difó Sosa, Lisbeth;

Estudio de resultados en las diferentes formas del test matricial de Oldenburg. Un nuevo test de frases matriciales en ruido adaptativo

Abstract

[ES]El Test matricial de Oldenburg es una prueba de frases matriciales que eval?a la discriminaci?n verbal en ruido en sujetos con deficiencia auditiva. La prueba consiste en repetir frases que se generan a partir de una matriz fija de palabras. Las frases son de sem?ntica impredecible y estructura sint?ctica fija. La prueba permite obtener el umbral de recepci?n verbal en diferentes condiciones de relaci?n se?al/ruido. El formato de respuesta define dos modos de presentaci?n: cerrado (closed-set) y abierto (open-set). En formato cerrado el sujeto selecciona las palabras de cada frase en una matriz que se presenta en una pantalla t?ctil; en el formato abierto el sujeto repite oralmente la frase que ha escuchado. En esta ocasi?n se ha aplicado el test en formato abierto a una muestra de 12 sujetos implantados y 5 normoyentes con el fin de comparar los resultados obtenidos por los mismos sujetos en formato cerrado en la exploraci?n realizada un a?o antes. Los resultados obtenidos indican que el formato abierto facilita la respuesta a sujetos con implante coclear, especialmente en las presentaciones previas de entrenamiento. La dispersi?n de la atenci?n hacia m?ltiples tareas reduce los recursos cognitivos en una tarea ya exigente para los sujetos con deficiencia auditiva.

[EN]The Oldenburg Matrix Test is a matrix sentence test that assesses verbal discrimination in noise in hearing impaired subjects. The test consists of repeating sentences that are generated from a fixed matrix of words. The sentences are of unpredictable semantics and fixed syntactic structure. The test allows to obtain the threshold of verbal reception in different signal-to-noise ratio conditions. The response format defines two presentation modes: closed (closed-set) and open (open-set). In closed format the subject selects the words of each sentence in an array that is presented in a touch screen; In the open format the subject repeats orally the phrase he has heard. This time the test was applied in open format to a sample of 12 subjects implanted and five subjects of normal hearing in order to compare the results obtained by the same subjects in closed format in the exploration carried out a year before. The results indicate that the open format facilitates the response to subjects with cochlear implants, especially in previous training presentations. The dispersion of attention to multiple tasks reduces cognitive resources in an already demanding task for hearing impaired subjects.

Trabajo de Fin de M?ster en Trastornos de la Comunicaci?n. Curso 2016-2017

Country
Spain
Related Organizations
Keywords

Umbral de recepci?n verbal, Speech discrimination in noise, Test adaptativo, Audiology, Implante coclear, Oldenburg matrix test, Discriminación de habla en ruido, Adaptive test, Cochlear implant, Umbral de recepción verbal, Verbal reception threshold, Test matricial de Oldenburg, Discriminaci?n de habla en ruido, Neuroscience

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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