Neural basis of processing threatening voices in a crowded auditory world.
Neural basis of processing threatening voices in a crowded auditory world.
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在拥挤的听觉世界中处理威胁声音的神经基础
DOI：
10.1093/scan/nsw022
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发表时间：
2016
影响因子：
4.2
通讯作者：
Straube
中科院分区：
文献类型：
--
作者：
Mothes-Lasch;Becker;Miltner;Straube
在真实的世界中，我们通常在充满听觉刺激的背景下听语音韵律。声音和背景都可以包含与行为相关的特征，并且都可以选择性地成为注意力的焦点。在这种情况下，对威胁相关声音的充分反应需要大脑根据不同的认知资源来分解隐藏的特征。这是未知的大脑系统的实例化的韵律价，听觉背景复杂性和注意力集中的不同组合下的行为相关的韵律特征的提取。在这里，我们使用事件相关的功能磁共振成像研究高背景声音复杂性和注意力集中对人类愤怒和中性韵律的大脑激活的影响。结果表明，中上级颞叶皮层的韵律效应受背景复杂性的门控，而不受注意的门控，杏仁核和前上级颞叶皮层的韵律效应受注意的门控，而不受背景复杂性的门控，表明不同区域的情绪韵律加工存在不同的局限性。至关重要的是，如果注意力集中在高度复杂的背景上，所有大脑区域对情绪韵律的差异处理都被阻止了，这表明在一个分散注意力的复杂听觉世界中，即使是威胁性的声音也可能被忽视。
In real world situations, we typically listen to voice prosody against a background crowded with auditory stimuli. Voices and background can both contain behaviorally relevant features and both can be selectively in the focus of attention. Adequate responses to threat-related voices under such conditions require that the brain unmixes reciprocally masked features depending on variable cognitive resources. It is unknown which brain systems instantiate the extraction of behaviorally relevant prosodic features under varying combinations of prosody valence, auditory background complexity and attentional focus. Here, we used event-related functional magnetic resonance imaging to investigate the effects of high background sound complexity and attentional focus on brain activation to angry and neutral prosody in humans. Results show that prosody effects in mid superior temporal cortex were gated by background complexity but not attention, while prosody effects in the amygdala and anterior superior temporal cortex were gated by attention but not background complexity, suggesting distinct emotional prosody processing limitations in different regions. Crucially, if attention was focused on the highly complex background, the differential processing of emotional prosody was prevented in all brain regions, suggesting that in a distracting, complex auditory world even threatening voices may go unnoticed.
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认知与情感的混合体。
DOI：
10.1017/s0140525x14001083
发表时间：
2015
期刊：
The Behavioral and brain sciences
影响因子：
--
作者：
L. Pessoa
通讯作者：
L. Pessoa
DOI：
10.1017/s0140525x14000120
发表时间：
2014-06
期刊：
The Behavioral and brain sciences
影响因子：
--
作者：
L. Pessoa
通讯作者：
L. Pessoa
影响因子：
5.7
作者：
Mothes-Lasch, Martin;Miltner, Wolfgang H. R.;Straube, Thomas
通讯作者：
Straube, Thomas
影响因子：
4.8
作者：
Lancaster, JL;Woldorff, MG;Fox, PT
通讯作者：
Fox, PT