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Hearing aids are being fit on inexperienced hearing aid users and the short-term and long-term effects are measured. This research aims to improve understanding of the individual factors that contribute to receiving benefit from hearing aids and lead to more individualized treatment of hearing loss.
Hearing aids are used to improve audibility for patients with hearing loss and improve speech perception. In addition to these immediate benefits, amplification has the potential to have long-term effects on higher level auditory processing abilities, such as cognition or other abilities required for complex listening tasks. These long-term acclimatization effects are not well understood and merit further behavioral and physiological examination. Hearing aids will be fit on inexperienced hearing aid users and outcome measures will be used to determine immediate and long-term effects of hearing aids. This research may provide a more detailed view of individual differences that contribute to receiving benefit from a hearing aid and may lead to more individualized treatment of hearing loss.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Hearing aids | Experimental | All study participants will be fit with hearing aids. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| hearing aids | Device | Subjects are fit with hearing aids. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Evoked potential latency | Latency will be measured in milliseconds | Approximately 1 year |
| Evoked potential amplitude | Amplitude will be measured in microvolts | Approximately 1 year |
| Frequency following response magnitude | Magnitude of response measured in nanovolts | Approximately 1 year |
| Frequency following response timing | Timing measured by cross-correlation between stimulus and response | Approximately 1 year |
| Ongoing electroencephalography power | EEG power as a function of frequency recorded during words-in-noise measure | Approximately 1 year |
| Montreal Cognitive Assessment score | Assessment score from 1 to 30 | Approximately 1 year |
| Reading Span | Percent correct recall on working memory task | Approximately 1 year |
| Hearing aid usage | Data logging from the hearing aid will provide usage in hours per day | Approximately 1 year |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Curtis J. Billings, PhD | VA Portland Health Care System, Portland, OR | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| VA Portland Health Care System, Portland, OR | Portland | Oregon | 97239 | United States |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| May 30, 2023 | Jun 23, 2023 | 15 | ||
| May 29, 2026 |
| ID | Term |
|---|---|
| D034381 | Hearing Loss |
| ID | Term |
|---|---|
| D006311 | Hearing Disorders |
| D004427 | Ear Diseases |
| D010038 | Otorhinolaryngologic Diseases |
| D012678 | Sensation Disorders |
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| ID | Term |
|---|---|
| D006310 | Hearing Aids |
| ID | Term |
|---|---|
| D000076251 | Wearable Electronic Devices |
| D055615 | Electrical Equipment and Supplies |
| D004864 | Equipment and Supplies |
| D012682 | Sensory Aids |
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| Word-in-noise perception testing | Signal-to-noise ratio at which participant correctly understands 50% of speech in noise using WIN test | Approximately 1 year |
| Listening invested/required effort | Participants' rating of the effort required (0-9) and invested (0-9) for listening task | Approximately 1 year |
| Working memory testing | Performance on auditory working memory task | Approximately 1 year |
| Glasgow Hearing Aid Benefit Profile (GHABP) | Participants rating on five-point scale their perceived initial (i.e., unaided) hearing disability, initial handicap, aided benefit, aided handicap, HA use and HA satisfaction in four listening situations | Approximately 1 year |
| Jun 24, 2026 |
| 16 |
| D009461 |
| Neurologic Manifestations |
| D009422 | Nervous System Diseases |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |