幅度调制的前向掩蔽：感觉成分与知觉成分
Forward masking of amplitude modulation: Sensory versus perceptual components.
作者信息
Conroy Christopher, Byrne Andrew J, Kidd Gerald
机构信息
Department of Speech, Language and Hearing Sciences and Hearing Research Center, Boston University, Boston, Massachusetts 02215, USA.
Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina 29425, USA.
出版信息
J Acoust Soc Am. 2025 May 1;157(5):3322-3328. doi: 10.1121/10.0036534.
Previous findings suggest that forward masking in the amplitude-modulation (AM) domain includes both sensory and perceptual components. The sensory component reflects masking associated with AM-rate-selective neural channels, whereas the perceptual component reflects masking associated with perceived target-masker similarity. In this article, it is shown that AM forward masking can be substantially reduced or even eliminated by reducing perceived target-masker similarity. It is suggested, therefore, that, under certain conditions, AM forward masking includes, at most, a weak sensory component along with a stronger perceptual component related to perceived target-masker similarity. This complicates interpretations of AM forward masking that rely on AM-rate-selective neural channels.
先前的研究结果表明，幅度调制（AM）域中的前向掩蔽包括感觉和知觉成分。感觉成分反映了与AM速率选择性神经通道相关的掩蔽，而知觉成分反映了与感知到的目标-掩蔽器相似性相关的掩蔽。在本文中，研究表明，通过降低感知到的目标-掩蔽器相似性，可以大幅减少甚至消除AM前向掩蔽。因此，有人认为，在某些条件下，AM前向掩蔽最多包括一个较弱的感觉成分以及一个与感知到的目标-掩蔽器相似性相关的较强的知觉成分。这使得依赖AM速率选择性神经通道对AM前向掩蔽的解释变得复杂。
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