Adaptive plasticity of loudness induced by chronic attenuation and enhancement of the acoustic background
Adaptive plasticity of loudness induced by chronic attenuation and enhancement of the acoustic background
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DOI：
10.1121/1.1582860
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发表时间：
2003-07-01
影响因子：
2.4
通讯作者：
Gold, SL
中科院分区：
文献类型：
--
作者：
Formby, C;Sherlock, LP;Gold, SL
听觉亢进是一种响度感知的异常状况，治疗听觉亢进的策略矛盾地寻求最小化或增强听者的声音暴露。我们表明，这些互惠的处理方法，采用相似数量的背景声衰减和增强，在正常听众中产生截然相反的感知效果。具体来说，我们发现在连续两周的耳塞和低噪音处理后，听众对声音的响度分别变得越来越敏感和越来越不敏感。这一适应性可塑性的简单演示与理论增益控制过程的修改是一致的，这是用于治疗听觉亢进和相关声音耐受问题的脱敏声音疗法的基础。(C) 2003年美国声学学会。
Strategies for treating hyperacusis, an anomolous condition of loudness perception, paradoxically seek either to minimize or enhance listeners' sound exposures.. We show that these reciprocal treatment approaches, implemented with similar amounts of background sound attenuation and enhancement, produce diametrically opposite perceptual effects in normal listeners. Specifically, we show after continuous, 2-week earplugging and low-level noise treatments that listeners become more and less sensitive, respectively, to the loudness of sounds. This simple demonstration of adaptive plasticity is consistent with modification of a theoretical gain control process, which is the basis for desensitizing sound therapies used in treating hyperacusis and related sound tolerance problems. (C) 2003 Acoustical Society of America.