{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,3]],"date-time":"2026-10-03T10:32:46Z","timestamp":1791023566446,"version":"4.1.0"},"reference-count":66,"publisher":"Acoustical Society of America (ASA)","issue":"4","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2010,10,1]]},"abstract":"<jats:p>The aim of this study was to investigate whether distortion product otoacoustic emissions (DPOAEs) are a suitable means for detecting changes in outer hair cell (OHC) functionality due to exposure to three hours of discotheque music and whether efferent reflex strength of the medial olivocochlear bundle is able to predict the ear\u2019s susceptibility to high-level noise. High-resolution DPOAEs (\u0394f2=47\u2002Hz) were recorded between 3.5 and 4.5 kHz at close-to-threshold primary tone levels. For comparison, high-resolution pure-tone audiometry was conducted in the same frequency range. Efferent reflex strength was measured by means of DPOAEs at a specific frequency with and without contralateral acoustic stimulation. A significant deterioration of more than 10 dB was found for pure-tone thresholds and DPOAE levels indicating that three hours of high-level noise exert a considerable influence on hearing capability and OHC functionality. A significant correlation between shifts in pure-tone threshold and shifts in DPOAE level occurred when removing data with differing calibration across measurements. There was no clear correlation between efferent reflex strength and shifts in pure-tone threshold or shifts in DPOAE level suggesting that the applied measures of efferent reflex strength may not be suitable for quantifying individual vulnerability to noise.<\/jats:p>","DOI":"10.1121\/1.3479535","type":"journal-article","created":{"date-parts":[[2010,10,19]],"date-time":"2010-10-19T13:15:29Z","timestamp":1287494129000},"page":"1853-1869","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":13,"title":["Impact of three hours of discotheque music on pure-tone thresholds and distortion product otoacoustic emissions"],"prefix":"10.1121","volume":"128","author":[{"given":"J\u00f6rg","family":"M\u00fcller","sequence":"first","affiliation":[{"name":"Technische Universit\u00e4t M\u00fcnchen Hals-Nasen-Ohrenklinik, , Ismaningerstra\u00dfe 22, 81675 Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Susanne","family":"Dietrich","sequence":"additional","affiliation":[{"name":"Technische Universit\u00e4t M\u00fcnchen Hals-Nasen-Ohrenklinik, , Ismaningerstra\u00dfe 22, 81675 Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thomas","family":"Janssen","sequence":"additional","affiliation":[{"name":"Technische Universit\u00e4t M\u00fcnchen Hals-Nasen-Ohrenklinik, , Ismaningerstra\u00dfe 22, 81675 Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2010,10,18]]},"reference":[{"key":"2023072022192349900_c1","first-page":"152","article-title":"Effects of efferent activation on distortion-product otoacoustic emissions in normal humans using ipsilateral acoustic stimulation","volume":"21","year":"1998","journal-title":"Assoc. 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