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Int J Audiol. 2017 Oct;56(10):759-766. doi: 10.1080/14992027.2017.1323123. Epub 2017 May 9.

Effectiveness of low-cut modified amplification strategy and channel-free hearing aid in individuals with auditory neuropathy spectrum disorder.

Author information

1
a Department of Audiology , All India Institute of Speech and Hearing , Mysore , India.

Abstract

OBJECTIVE:

The present study attempted to compare the aided benefit using low-cut modified amplification and channel-free hearing aids in individuals with auditory neuropathy spectrum disorder (ANSD). It was also attempted to determine these effects in good and poor performers with ANSD.

DESIGN:

Cross-sectional within group pretest, post-test design.

STUDY SAMPLE:

Twenty-five individuals with acquired ANSD were selected for the study. The study sample included 11 males and 14 females between the age ranges of 17-40 years (mean age of 24.6 years).

RESULTS:

The results of the repeated measures analysis of variance (ANOVA) showed that aided benefit was significantly higher with the channel-free hearing aid. Mixed ANOVA results showed that the improvement was more in good performers than poor performers with ANSD. Multiple regression analyses showed that speech identification scores are a strong predictor of aided benefit.

CONCLUSIONS:

The results of the present study suggest that channel-free hearing aids and low-cut modified amplification can be used as an efficient alternative technique during hearing aid fitting for individuals with ANSD. However, further evidence-based studies on a larger group are essential to validate the results.

KEYWORDS:

Hearing aids; behavioural measures; hearing aid satisfaction; speech perception

PMID:
28485679
DOI:
10.1080/14992027.2017.1323123
[Indexed for MEDLINE]

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