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A single-interval paradigm combined with roved frequency content between trials can yield as much as 20 dB enhancement in young normal-hearing listeners. This study compared such enhancement in 15 listeners with sensorineural hearing loss with that in 15 age-matched adults and 15 young adults with normal audiograms. All groups were presented with stimulus levels of 70\u2009dB sound pressure level (SPL) per component. The two groups with normal hearing were also tested at 45\u2009dB SPL per component. The hearing-impaired listeners showed very little enhancement overall. However, when tested at the same high (70-dB) level, both young and age-matched normal-hearing listeners also showed substantially reduced enhancement, relative to that found at 45\u2009dB SPL. Some differences in enhancement emerged between young and older normal-hearing listeners at the lower sound level. The results suggest that enhancement is highly level-dependent and may also decrease somewhat with age or slight hearing loss. Implications for hearing-impaired listeners may include a poorer ability to adapt to real-world acoustic variability, due in part to the higher levels at which sound must be presented to be audible.<\/jats:p>","DOI":"10.1121\/10.0023937","type":"journal-article","created":{"date-parts":[[2023,12,18]],"date-time":"2023-12-18T17:36:38Z","timestamp":1702920998000},"page":"3821-3832","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":2,"title":["Auditory enhancement in younger and older listeners with normal and impaired hearing"],"prefix":"10.1121","volume":"154","author":[{"given":"Heather A.","family":"Kreft","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Minnesota , Elliott Hall, 75 East River Parkway, Minneapolis, Minnesota 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9365-1157","authenticated-orcid":false,"given":"Andrew J.","family":"Oxenham","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Minnesota , Elliott Hall, 75 East River Parkway, Minneapolis, Minnesota 55455, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"231","published-online":{"date-parts":[[2023,12,18]]},"reference":[{"key":"2023121817363247200_c1","doi-asserted-by":"publisher","first-page":"3023","DOI":"10.1121\/1.4934559","article-title":"Talker information influences spectral contrast effects in speech categorization","volume":"138","year":"2015","journal-title":"J. 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