{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T19:36:50Z","timestamp":1790105810120,"version":"4.0.1"},"reference-count":38,"publisher":"Acoustical Society of America (ASA)","issue":"1","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[1999,7,1]]},"abstract":"<jats:p>Twenty normal hearing younger and twenty older adults in the early stages of presbycusis, but with relatively normal hearing at 2 kHz, were asked to discriminate between the presence versus absence of a gap between two equal-duration tonal markers. The duration of each marker was constant within a block of trials but varied between 0.83 and 500 ms across blocks. Notched-noise, centered at 2 kHz, was used to mask on- and off-transients. Gap detection thresholds of older adults were markedly higher than those of younger adults for marker durations of less than 250 ms but converged on those of younger adults at 500 ms. For both age groups, gap detection thresholds were independent of audiometric thresholds. These results indicate that older adults have more difficulty detecting a gap than younger adults when short marker durations (i.e., durations characteristic of speech sounds) are employed. It is shown that these results cannot be explained by linear models of temporal processing but are consistent with differential adaptation effects in younger and older adults.<\/jats:p>","DOI":"10.1121\/1.427062","type":"journal-article","created":{"date-parts":[[2002,7,26]],"date-time":"2002-07-26T14:06:35Z","timestamp":1027692395000},"page":"371-380","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":160,"title":["Gap detection thresholds as a function of tonal duration for younger and older listeners"],"prefix":"10.1121","volume":"106","author":[{"given":"Bruce A.","family":"Schneider","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road, Mississauga, Ontario\u2009L5L\u20091C6, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stanley J.","family":"Hamstra","sequence":"additional","affiliation":[{"name":"Department of Surgery, University of Toronto, 510 Banting Institute, 100 College Street, Toronto, Ontario\u2009M5G\u20091L5, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","reference":[{"key":"2023071323510358200_abe","doi-asserted-by":"crossref","first-page":"43","DOI":"10.3109\/01050399009070751","article-title":"Auditory detection, discrimination and speech processing in aging, noise-sensitive and hearing-impaired listeners","volume":"19","year":"1990","journal-title":"Scand. 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