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rdf:type |
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lifeskim:mentions |
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pubmed:issue |
6
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pubmed:dateCreated |
2007-1-17
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pubmed:abstractText |
Binaural detection was examined for a signal presented in a narrow band of noise centered on the on-signal masking band (OSB) or in the presence of flanking noise bands that were random or comodulated with respect to the OSB. The noise had an interaural correlation of 1.0 (No), 0.99 or 0.95. In No noise, random flanking bands worsened Spi detection and comodulated bands improved Spi detection for some listeners but had no effect for other listeners. For the 0.99 or 0.95 interaural correlation conditions, random flanking bands were less detrimental to Spi detection and comodulated flanking bands improved Spi detection for all listeners. Analyses based on signal detection theory indicated that the improvement in Spi thresholds obtained with comodulated bands was not compatible with an optimal combination of monaural and binaural cues or to across-frequency analyses of dynamic interaural phase differences. Two accounts consistent with the improvement in Spi thresholds in comodulated noise were (1) envelope information carried by the flanking bands improves the weighting of binaural cues associated with the signal; (2) the auditory system is sensitive to across-frequency differences in ongoing interaural correlation.
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pubmed:grant |
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pubmed:commentsCorrections |
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http://linkedlifedata.com/resource/pubmed/commentcorrection/17225415-9604353
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pubmed:language |
eng
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pubmed:journal |
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pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Dec
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pubmed:issn |
0001-4966
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pubmed:author |
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pubmed:issnType |
Print
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pubmed:volume |
120
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
3878-88
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pubmed:dateRevised |
2011-5-5
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pubmed:meshHeading |
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pubmed:year |
2006
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pubmed:articleTitle |
Binaural comodulation masking release: effects of masker interaural correlation.
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pubmed:affiliation |
Department of Otolaryngology/Head and Neck Surgery, University of North Carolina School of Medicine, Chapel Hill, North Carolina 27599, USA. jwh@med.unc.edu
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pubmed:publicationType |
Journal Article,
Research Support, N.I.H., Extramural
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