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Related Experiment Video

Updated: May 4, 2026

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Acclimatization to hearing aids.

Piers Dawes1, Kevin J Munro, Sridhar Kalluri

  • 11School of Psychological Sciences, University of Manchester, Manchester, United Kingdom; 2Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom; and 3Starkey Hearing Research Center, Berkeley, California, USA.

Ear and Hearing
|December 20, 2013
PubMed
Summary
This summary is machine-generated.

This study found no significant auditory acclimatization effect in new hearing aid users, despite subjective reports of improvement. Objective measures showed no benefit over unaided listening or experienced users.

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Area of Science:

  • Audiology
  • Neuroscience
  • Speech-Language Pathology

Background:

  • Auditory acclimatization to hearing aids is not well understood.
  • Previous research shows mixed results on the benefits of hearing aid acclimatization.

Purpose of the Study:

  • To investigate auditory acclimatization effects in new adult hearing aid users (unilateral and bilateral).
  • To compare aided speech recognition in new users versus unaided listening and experienced users.
  • To determine if improvements correlate with hearing loss severity, hearing aid use, or cognitive capacity.

Main Methods:

  • Speech recognition in noise was measured using the Four Alternative Auditory Feature test.
  • New users (n=32) and experienced users (n=17) were tested at baseline and 12 weeks.
  • Cognitive capacity and self-reported hearing aid benefit were also assessed.

Main Results:

  • No significant auditory acclimatization effect was observed in new hearing aid users.
  • Improvements in speech recognition were consistent with general practice effects, not acclimatization.
  • No correlation was found between speech recognition changes and hearing loss, hearing aid use, or cognition.

Conclusions:

  • The study does not support a robust acclimatization effect with modern nonlinear hearing aids.
  • Test-retest variability may mask small acclimatization effects.
  • Subjective reports of benefit may stem from factors beyond objective auditory improvements.