Auditory training and adult rehabilitation: a critical review of the evidence

Kit Bronus, Amr El Refaie, Helen Pryce

Research output: Contribution to journalArticle

Abstract

Auditory Training (AT) describes a regimen of varied listening exercises designed to improve an individual’s ability to perceive speech. The theory of AT is based on brain plasticity (the capacity of neurones in the central auditory system to alter their structure and function) in response to auditory stimulation. The practice of repeatedly listening to the speech sounds included in AT exercises is believed to drive the development of more efficient neuronal pathways, thereby improving auditory processing and speech discrimination. This critical review aims to assess whether auditory training can improve speech discrimination in adults with mild-moderate SNHL. The majority of patients attending Audiology services are adults with presbyacusis and it is therefore important to evaluate evidence of any treatment effect of AT in aural rehabilitation. Ideally this review would seek to appraise evidence of neurophysiological effects of AT so as to verify whether it does induce change in the CAS. However, due to the absence of such studies on this particular patient group, the outcome measure of speech discrimination, as a behavioural indicator of treatment effect is used instead. A review of available research was used to inform an argument for or against using AT in rehabilitative clinical practice. Six studies were identified and although the preliminary evidence indicates an improvement gained from a range of AT paradigms, the treatment effect size was modest and there remains a lack of large-sample RCTs. Future investigation into the efficacy of AT needs to employ neurophysiological studies using auditory evoked potentials in hearing-impaired adults in order to explore effects of AT on the CAS.
Original languageEnglish
Pages (from-to)49-63
Number of pages15
JournalGlobal Journal of Health Science
Volume3
Issue number1
DOIs
Publication statusPublished - Apr 2011

Bibliographical note

This work is licensed under a Creative Commons Attribution 3.0 License.

Keywords

  • auditory training
  • speech discrimination
  • rehabilitation
  • hearing impaired adults

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