Related Experiment Video
Updated: Oct 6, 2026
Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
Published on: March 24, 2023
Hearing-aid outcomes in adults with subjective listening difficulties in noise despite normal audiograms
Joon Shin1, Harvey Dillon1,2
1Department of Linguistics (Audiology), Macquarie University, Sydney, Australia.
Objective:
To evaluate whether hearing aids improve speech recognition in noise and self-reported listening outcomes in clinically heterogeneous adults with subjective listening difficulties in noise.
Design:
Prospective, uncontrolled, within-subject intervention study. Participants completed multidimensional baseline testing followed by an 8-week hearing-aid trial assessing speech-in-noise performance, listening effort, self-report outcomes, and individualised benefit.
Study Sample:
Sixteen native Australian English-speaking adults aged 18-60 (mean 39.8 ± 11.1) years with near normal hearing sensitivity and substantial self-reported listening difficulties.
Results:
At baseline, participants had normal audiological results but heterogeneous auditory-processing profiles, with the most consistent deficits on speech-in-noise measures. Speech Reception Thresholds in noise with hearing aids (-14.2 ± 2.2 dB SNR) were significantly better than unaided (-11.4 ± 1.6 dB SNR), showing a 2.8 dB improvement (95% CI: 2.1-3.4), t (15) = 8.8, p<.001. Unaided performance explained 69.2% of aided performance variance, indicating a consistent relationship with some individual variability. Although aided benefit varied across participants, the present data did not permit reliable separation of measurement variability from true differences in treatment response. Self-report measures demonstrated reduced hearing handicap, improved perceived listening ability, and favourable hearing-aid use and satisfaction. Unaided spatialised-noise test scores did not change.
Conclusions:
Hearing aids were associated with statistically significant and clinically meaningful improvements in speech-in-noise performance in adults with subjective listening difficulties and heterogeneous auditory-processing profiles. Apparent variability in aided benefit should be interpreted cautiously, as it likely reflects both measurement variability and true inter-participant differences. The broad consistency in benefit was observed despite marked differences in participants' baseline characteristics across multiple dimensions.
