Author(s): Humes LE, Wilson DL
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Abstract This brief report describes the changes in hearing-aid performance and benefit in 9 elderly hearing-aid wearers over a 3-year period following the hearing-aid fitting. Objective measures of hearing-aid performance included three measures of speech recognition: (a) the Nonsense Syllable Test (NST) presented at 65 dB SPL and a +8 dB signal-to-noise ratio (SNR), (b) the Connected Speech Test (CST) presented at 50 dB SPL in quiet, and (c) the CST presented at 65 dB SPL and a +8 dB SNR. Subjective, self-report measures of hearing-aid benefit included the Hearing Aid Performance Inventory (HAPI; B. E. Walden, M. E. Demorest, & E. L. Helper, 1984) and the Hearing Handicap Inventory for the Elderly (HHIE; I. Ventry & B. Weinstein, 1982). Performance and benefit measures were obtained at postfit intervals of 1 month, 6 months, 1 year, 2 years, and 3 years using a standardized measurement protocol. Individual data were evaluated using 95\% critical differences established previously for each benefit measure and applied around the scores observed at the 1-month postfit interval. Little evidence was seen for systematic improvement in aided performance or benefit, consistent with that expected from acclimatization, in any participant or for any measure of benefit.
This article was published in J Speech Lang Hear Res
and referenced in Journal of Communication Disorders, Deaf Studies & Hearing Aids