| The relative contribution of adaptation and temporal integration in forward masking. | |
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MedLine Citation:
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PMID: 20331134 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Forward masking has been studied extensively, but the mechanism underlying forward masking is still being debated. The aim of this study was to understand the relative contribution of adaptation and temporal integration on forward masking. In the first experiment, gap detection thresholds were measured for symmetrical and asymmetrical noise markers ranging from 10- to 30-dB SL in 5-dB increments. Further threshold measurements were made while keeping the level of the noise marker before the gap at a constant 30-dB SL while varying the level of noise marker after the gap between 10- and 25-dB SL. Noise marker sets with gap detection threshold of 20 ms or less were selected for the second experiment. In the second experiment, participants adjusted gap durations within an asymmetrical noise marker to be perceptually equal to that of symmetrical noise markers. The results will be discussed in the context of a temporal integration model, an adaptation model, and a hybrid model including both temporal integration and adaptation components. |
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Authors:
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Naveen N Nagaraj; Jeffrey J Digiovanni |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 127 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-03-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: 2015 Citation Subset: IM |
Affiliation:
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Auditory Psychophysics and Signal Processing Lab., School of Hearing, Speech and Lang. Sci., Ohio Univ., Athens, OH 45701, nn328108@ohio.edu. |
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