{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T05:24:45Z","timestamp":1777353885207,"version":"3.51.4"},"reference-count":60,"publisher":"MIT Press - Journals","issue":"5","content-domain":{"domain":["direct.mit.edu"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2015,5,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Musicians have enhanced auditory processing abilities. In some studies, these abilities are paralleled by an improved understanding of speech in noisy environments, partially due to more robust encoding of speech signals in noise at the level of the brainstem. Little is known about the impact of musicianship on attention-dependent cortical activity related to lexical access during a speech-in-noise task. To address this issue, we presented musicians and nonmusicians with single words mixed with three levels of background noise, across two conditions, while monitoring electrical brain activity. In the active condition, listeners repeated the words aloud, and in the passive condition, they ignored the words and watched a silent film. When background noise was most intense, musicians repeated more words correctly compared with nonmusicians. Auditory evoked responses were attenuated and delayed with the addition of background noise. In musicians, P1 amplitude was marginally enhanced during active listening and was related to task performance in the most difficult listening condition. By comparing ERPs from the active and passive conditions, we isolated an N400 related to lexical access. The amplitude of the N400 was not influenced by the level of background noise in musicians, whereas N400 amplitude increased with the level of background noise in nonmusicians. In nonmusicians, the increase in N400 amplitude was related to a reduction in task performance. In musicians only, there was a rightward shift of the sources contributing to the N400 as the level of background noise increased. This pattern of results supports the hypothesis that encoding of speech in noise is more robust in musicians and suggests that this facilitates lexical access. Moreover, the shift in sources suggests that musicians, to a greater extent than nonmusicians, may increasingly rely on acoustic cues to understand speech in noise.<\/jats:p>","DOI":"10.1162\/jocn_a_00758","type":"journal-article","created":{"date-parts":[[2014,11,12]],"date-time":"2014-11-12T19:33:53Z","timestamp":1415820833000},"page":"1044-1059","update-policy":"https:\/\/doi.org\/10.1162\/mitpressjournals.corrections.policy","source":"Crossref","is-referenced-by-count":49,"title":["The Impact of Musicianship on the Cortical Mechanisms Related to Separating Speech from Background Noise"],"prefix":"10.1162","volume":"27","author":[{"given":"Benjamin Rich","family":"Zendel","sequence":"first","affiliation":[{"name":"1International Laboratory for Brain, Music and Sound Research (BRAMS), Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"2Institut Universitaire de G\u00e9riatrie de Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"3Centre for Research on Brain, Language and Music (CRBLM), Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"4Universit\u00e9 de Montr\u00e9al, Qu\u00e9bec, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Charles-David","family":"Tremblay","sequence":"additional","affiliation":[{"name":"1International Laboratory for Brain, Music and Sound Research (BRAMS), Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"4Universit\u00e9 de Montr\u00e9al, Qu\u00e9bec, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sylvie","family":"Belleville","sequence":"additional","affiliation":[{"name":"2Institut Universitaire de G\u00e9riatrie de Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"4Universit\u00e9 de Montr\u00e9al, Qu\u00e9bec, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isabelle","family":"Peretz","sequence":"additional","affiliation":[{"name":"1International Laboratory for Brain, Music and Sound Research (BRAMS), Montr\u00e9al, Qu\u00e9bec, Canada"},{"name":"3Centre for Research on Brain, 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