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Effect of hearing aid experience on preferred insertion gain selection
1Department of Otolaryngology--Head and Neck Surgery, University of Illinois at Chicago, USA.
Journal of the American Academy of Audiology
|August 1, 1996
Summary
Hearing aid users’ preferred gain settings closely match their hearing loss, not their experience. User insertion gain during vocalization influenced preferred gain, suggesting real-world conditions are key for hearing aid adjustments.
Area of Science:
- Audiology
- Hearing Science
- Psychoacoustics
Background:
- Hearing aid fitting involves selecting an appropriate insertion gain.
- Understanding factors influencing preferred insertion gain is crucial for optimizing hearing aid benefit.
- Hearing aid experience, including duration of use and current settings, may influence user preferences.
Purpose of the Study:
- To investigate the impact of hearing aid experience on preferred insertion gain selection.
- To determine the relationship between user insertion gain and preferred insertion gain across different listening conditions.
- To explore how hearing loss characteristics influence preferred insertion gain.
Main Methods:
- Thirteen experienced hearing aid users participated in the study.
- Preferred insertion gain was determined using a modified simplex procedure under six listening and one vocalization condition.
- Hearing aid experience was quantified by years of use and user insertion gain at octave frequencies (250 Hz–4000 Hz).
Main Results:
- Preferred insertion gain in listening conditions strongly correlated with hearing loss between 500 Hz and 2000 Hz.
- Hearing aid experience (years of use) did not correlate with preferred insertion gain.
- User insertion gain at 250 Hz and 500 Hz correlated with preferred insertion gain during vocalization.
Conclusions:
- Preferred insertion gain in typical listening conditions is primarily dictated by hearing loss severity and audiometric configuration.
- Hearing aid experience, particularly years of use, does not appear to influence preferred insertion gain selection.
- User insertion gain settings may influence preferred gain selection when testing mimics real-world listening environments, such as during vocalization.