Inter-subject synchronization of brain responses during natural music listening.
Inter-subject synchronization of brain responses during natural music listening.
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DOI：
10.1111/ejn.12173
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发表时间：
2013-05
期刊：
影响因子：
--
通讯作者：
Menon V
中科院分区：
文献类型：
--
作者：
Abrams DA;Ryali S;Chen T;Chordia P;Khouzam A;Levitin DJ;Menon V
音乐是一种普遍文化，也是人类经验的丰富组成部分。然而，人们对支持扩展的、自然的“现实世界”音乐刺激的处理和整合的常见大脑系统知之甚少。我们通过向非音乐家参与者提供交响音乐的扩展摘录和两个伪音乐刺激来研究这个问题，其中自然音乐条件的时间和频谱结构被破坏，这些参与者接受功能性脑成像并分析听众之间同步的时空活动模式。我们发现音乐可以同步听众双侧听觉中脑和丘脑、初级听觉和听觉关联皮层、额叶和顶叶皮层的右侧结构以及大脑运动规划区域的大脑反应。与伪音乐控制条件相比，这些效果对于自然音乐来说更大。值得注意的是，在自然音乐条件下，下丘和内侧膝状核的受试者间同步也更大，这表明听觉处理早期阶段的同步不仅仅是由刺激的频谱时间特征驱动的。听音乐期间同步性的增强在右半球额顶叶注意力网络和参与运动规划的双侧皮质区域中也很明显。虽然这些大脑结构之前已与音乐处理的各个方面有关，但我们的结果首次表明这些区域在持续几分钟的长时间内跟踪音乐刺激的结构元素。我们的结果表明，在处理扩展音乐序列期间，分层分布式网络在个体之间同步，并为复杂和生物显着的听觉序列的时间整合提供了新的见解。
Music is a cultural universal and a rich part of the human experience. However, little is known about common brain systems that support the processing and integration of extended, naturalistic ‘real-world’ music stimuli. We examined this question by presenting extended excerpts of symphonic music, and two pseudomusical stimuli in which the temporal and spectral structure of the Natural Music condition were disrupted, to non-musician participants undergoing functional brain imaging and analysing synchronized spatiotemporal activity patterns between listeners. We found that music synchronizes brain responses across listeners in bilateral auditory midbrain and thalamus, primary auditory and auditory association cortex, right-lateralized structures in frontal and parietal cortex, and motor planning regions of the brain. These effects were greater for natural music compared to the pseudo-musical control conditions. Remarkably, inter-subject synchronization in the inferior colliculus and medial geniculate nucleus was also greater for the natural music condition, indicating that synchronization at these early stages of auditory processing is not simply driven by spectro-temporal features of the stimulus. Increased synchronization during music listening was also evident in a right-hemisphere fronto-parietal attention network and bilateral cortical regions involved in motor planning. While these brain structures have previously been implicated in various aspects of musical processing, our results are the first to show that these regions track structural elements of a musical stimulus over extended time periods lasting minutes. Our results show that a hierarchical distributed network is synchronized between individuals during the processing of extended musical sequences, and provide new insight into the temporal integration of complex and biologically salient auditory sequences.
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