Senile hearing loss
Conditions
Interventions
Prebyscusis group:The patients were treated with bilateral dorsum-auricular air-conductive hearing aids for 3 months
Sponsors
Zhujiang Hospital of Southern Medical University
Eligibility
Sex/Gender
All
Age
60 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. The mean of the pur-tone hearing threshold of the four frequencies of 0.5, 1, 2 and 4kHz is > 20 dB HL, and the =60 years; 3. Able to cooperate with relevant examination items, agree to accept interventions and cooperate with follow-up; 4. Proficient in Mandarin; 5. Right hand.
Exclusion criteria
Exclusion criteria: 1. Conductive hearing loss or mixed hearing loss (poor bone and air conductivity>10dB); 2. Binaural hearing threshold asymmetry (the difference between the hearing thresholds of 0.5, 1, 2, and 4kHz at 4 frequencies of >= 15 dB); 3. Presence of intellectual, psychiatric, psychological, central system diseases and cognitive and behavioral disorders; 4. Hereditary deafness; 5. Active otological disease; 6. History of previous ear surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Behavioral task of speech recognition in a simulated cocktail party auditory scene; | — |
Secondary
| Measure | Time frame |
|---|---|
| Brain activation level in cocktail party auditory scene;pure-tone hearing threshold;Accuracy and response time of sound source localization testing;Speech recognition threshold; | — |
Countries
China
Contacts
Public ContactZhang Hongzheng
Zhujiang Hospital of Southern Medical University
Outcome results
None listed