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单耳时间掩蔽能否解释持续的先导效应？

Can monaural temporal masking explain the ongoing precedence effect?

机构信息

Department of Communication Disorders, University of Massachusetts, 358 North Pleasant Street, Amherst, Massachusetts 01003, USA

Sensimetrics Corporation, 14 Summer Street, Malden, Massachusetts 02148, USA

出版信息

J Acoust Soc Am. 2018 Feb;143(2):EL133. doi: 10.1121/1.5024687.

DOI:10.1121/1.5024687
PMID:29495692
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5826740/
Abstract

The precedence effect for transient sounds has been proposed to be based primarily on monaural processes, manifested by asymmetric temporal masking. This study explored the potential for monaural explanations with longer ("ongoing") sounds exhibiting the precedence effect. Transient stimuli were single lead-lag noise burst pairs; ongoing stimuli were trains of 63 burst pairs. Unlike with transients, monaural masking data for ongoing sounds showed no advantage for the lead, and are inconsistent with asymmetric audibility as an explanation for ongoing precedence. This result, along with supplementary measurements of interaural time discrimination, suggests different explanations for transient and ongoing precedence.

摘要

暂态声音的优先效应据称主要基于单耳过程，表现为非对称的时间掩蔽。本研究探讨了具有更长（“持续”）声音的单耳解释的可能性，这些声音表现出优先效应。瞬态刺激是单个前导-滞后噪声突发对；持续刺激是 63 个突发对的序列。与瞬态声音不同，持续声音的单耳掩蔽数据对于前导没有优势，并且与非对称可听性作为持续优先的解释不一致。这一结果，以及对侧间时间辨别力的补充测量，表明了暂态和持续优先的不同解释。

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本文引用的文献

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Emphasis of spatial cues in the temporal fine structure during the rising segments of amplitude-modulated sounds II: single-neuron recordings.调幅声音上升段时间精细结构中空间线索的强调 II：单细胞记录。
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J Acoust Soc Am. 2011 Aug;130(2):866-82. doi: 10.1121/1.3605549.
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Lateralization of noise-burst trains based on onset and ongoing interaural delays.基于起始和持续的耳间延迟的噪声突发序列的侧化。
J Acoust Soc Am. 2010 Jul;128(1):320-31. doi: 10.1121/1.3436560.
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Peripheral auditory processing and investigations of the "precedence effect" which utilize successive transient stimuli.外周听觉处理以及利用连续瞬态刺激对“优先效应”的研究。
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J Acoust Soc Am. 1999 Dec;106(6):3460-72. doi: 10.1121/1.428199.

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