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Neural cross-correlation coefficients quantified across-fiber envelope coding in syllabic (0\u20135 Hz), phonemic (5\u201364 Hz), and periodicity (64\u2013300 Hz) modulation ranges. Spike trains were generated from a physiologically based AN model. Correlations were also computed using the model with selective hair-cell damage. Neural predictions revealed that envelope cross-correlation decreased with increased characteristic-frequency separation for all modulation ranges (with greater syllabic-envelope correlation than phonemic or periodicity). Syllabic envelope was highly correlated across many spectral channels, whereas phonemic and periodicity envelopes were correlated mainly between adjacent channels. Outer-hair-cell impairment increased the degree of cross-channel correlation for phonemic and periodicity ranges for speech in quiet and in noise, thereby reducing the number of independent neural information channels for envelope coding. In contrast, outer-hair-cell impairment was predicted to decrease cross-channel correlation for syllabic envelopes in noise, which may partially account for the reduced ability of hearing-impaired listeners to segregate speech in complex backgrounds.<\/jats:p>","DOI":"10.1121\/1.3583502","type":"journal-article","created":{"date-parts":[[2011,6,17]],"date-time":"2011-06-17T22:08:37Z","timestamp":1308348517000},"page":"4001-4013","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":19,"title":["Predicted effects of sensorineural hearing loss on across-fiber envelope coding in the auditory nerve"],"prefix":"10.1121","volume":"129","author":[{"given":"Jayaganesh","family":"Swaminathan","sequence":"first","affiliation":[{"name":"Purdue University Department of Speech, Language, and Hearing Sciences, , West Lafayette, Indiana 47907-2038"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael G.","family":"Heinz","sequence":"additional","affiliation":[{"name":"Purdue University Weldon School of Biomedical Engineering, , West Lafayette, Indiana 47907-2032"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","published-online":{"date-parts":[[2011,6,14]]},"reference":[{"key":"2023072808001932700_c1","doi-asserted-by":"publisher","first-page":"1671","DOI":"10.1121\/1.1781329","article-title":"Relative importance of temporal information in various frequency regions for consonant identification in quiet and in noise","volume":"116","year":"2004","journal-title":"J. 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