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The reliability of continuous brain responses during naturalistic listening to music

机译：自然听音乐过程中连续大脑反应的可靠性

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摘要

Low-level (timbral) and high-level (tonal and rhythmical) musical features during continuous listening to music, studied by functional magnetic resonance imaging (fMRI), have been shown to elicit large-scale responses in cognitive, motor, and limbic brain networks. Using a similar methodological approach and a similar group of participants, we aimed to study the replicability of previous findings. Participants' fMRI responses during continuous listening of a tango Nuevo piece were correlated voxelwise against the time series of a set of perceptually validated musical features computationally extracted from the music. The replicability of previous results and the present study was assessed by two approaches: (a) correlating the respective activation maps, and (b) computing the overlap of active voxels between datasets at variable levels of ranked significance. Activity elicited by timbral features was better replicable than activity elicited by tonal and rhythmical ones. These results indicate more reliable processing mechanisms for low-level musical features as compared to more high-level features. The processing of such high-level features is probably more sensitive to the state and traits of the listeners, as well as of their background in music. (C) 2015 Elsevier Inc. All rights reserved.
机译：通过功能磁共振成像（fMRI）研究，连续听音乐期间的低水平（音色）和高水平（音调和节奏）音乐特征已显示出引起认知，运动和边缘大脑的大规模反应网络。我们使用相似的方法论方法和一组相似的参与者，旨在研究先前发现的可复制性。参与者在连续聆听探戈Nuevo乐曲期间的功能磁共振成像反应与从音乐中提取出来的一组经感知验证的音乐特征的时间序列在三维上相关联。以前的结果和本研究的可复制性通过两种方法进行了评估：（a）关联各自的激活图，以及（b）计算可变重要性等级的数据集之间的主动体素重叠。由音色特征引起的活动比由音调和有节奏的活动引起的活动具有更好的可复制性。这些结果表明，与更高级别的功能相比，低级别音乐功能的处理机制更加可靠。处理此类高级功能可能对听众的状态和特征以及他们的音乐背景更为敏感。 （C）2015 Elsevier Inc.保留所有权利。

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