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Related Experiment Videos

Preferred hearing aid gain in everyday use after prescriptive fitting.

A Leijon1, A Lindkvist, A Ringdahl

  • 1Department of Audiology, Sahlgren's Hospital, Gothenburg, Sweden.

Ear and Hearing
|August 1, 1990
PubMed
Summary
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Hearing aid users preferred less gain than prescribed. A study found that the prescribed gain for hearing aids was about 7 dB higher than what elderly users with moderate hearing loss actually preferred in daily listening situations.

Area of Science:

  • Audiology and Hearing Science
  • Gerontology
  • Biomedical Engineering

Background:

  • Hearing aid fitting aims to restore audibility and improve communication for individuals with hearing loss.
  • Current hearing aid prescription formulas are based on audiological measurements but may not fully capture user preferences.
  • Elderly hearing-aid users represent a significant demographic with specific audiological and lifestyle needs.

Purpose of the Study:

  • To investigate the insertion gain preferred by elderly hearing-aid users in real-world listening environments.
  • To compare user-preferred gain with gain prescribed by a standard audiological formula.
  • To explore factors influencing the discrepancy between prescribed and preferred hearing aid gain.

Main Methods:

  • 26 moderately hearing-impaired, elderly participants used monaural behind-the-ear hearing aids fitted with a half-gain prescription formula.

Related Experiment Videos

  • Real-ear measurements confirmed insertion gain, with fittings reviewed in follow-up sessions.
  • Participants adjusted the volume control to their preferred setting in everyday listening situations.

    • Main Results:

    • The prescription formula significantly overestimated the preferred insertion gain by approximately 7 dB.
    • No significant correlation was found between the gain difference and prior hearing aid use.
    • Subjective hearing problem severity did not correlate with the difference between prescribed and preferred gain.

    Conclusions:

    • Standard hearing aid prescription formulas may provide excessive gain for some elderly users.
    • User-centered adjustments are crucial for optimizing hearing aid satisfaction beyond audiological prescriptions.
    • Further research is needed to refine fitting protocols to better align with user preferences in diverse listening conditions.