Optimizing Sound Quality Improves Hearing Aid Users' Moods and Listening-Related Fatigue.
Erin M Picou, Laura W Balling, Taylor Dalzell and 2 others
PMID 41869829WHAT IT FOUND
When hearing aids were set to the sound quality people liked best, their daily mood was better and their listening fatigue lower than with a merely tolerable setting.
The benefit showed up only in the participants who still preferred that setting at home.
Key findings
01On days when participants rated their hearing aid sound quality higher, they also rated their mood higher.
02Daily mood ratings were better while wearing the self-adjusted Good program than the Tolerable program, but only for the participants whose preferences stayed the same between the laboratory and home; for those whose preference changed, the two programs did not differ.
03Retrospective listening-related fatigue was lower after a week in the Good program than the Tolerable program for participants whose preferences stayed the same; for those whose preference changed, the difference ran the other way and did not reach significance.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
Only 30 people took part, all from one clinic, and they were deliberately chosen because sound quality mattered to them, so the results may not hold for hearing aid users who do not care about sound quality. The program comparison only produced mood and fatigue benefits in the 19 people who kept the same preference at home; the 11 who changed their mind are not explained by this study. The consistent and inconsistent groups were created after the study by reading interview comments, not planned in advance, so the comparison between them should be treated as a lead rather than a settled result. Sound quality and mood were both rated by the same person on the same evening questionnaire, so this cannot show that better sound quality caused better mood; the authors note the reverse is possible. Most participants had years of hearing aid experience and mild-to-moderate hearing loss, so the study says little about new users or people with more severe loss. The study was funded by a hearing aid manufacturer whose employees are among the authors, and the hearing aids tested are that company's product.
Declared interests
WS Audiology, a hearing aid manufacturer, funded the research, authorship and publication of this article, and two of the authors are employed by WS Audiology. The study hearing aids were Widex Moment devices. Data capture used REDCap, supported by Vanderbilt's Clinical and Translational Science Award (NIH award 5UL1TR002243-03); the authors state the content is solely their responsibility and does not necessarily represent the official views of the NIH.
The easy way to misread this
Do not conclude that optimizing hearing aid sound quality will lift mood for your patients generally. The mood and listening-fatigue advantages were limited to the 19 of 30 people who kept the same program preference at home. The other 11 gained nothing, and there was no difference between programs in speech intelligibility or perceived hearing ability, so any gain came from how listening felt rather than how well people heard.
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