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首页> 美国卫生研究院文献>PLoS Clinical Trials >Music and Emotions in the Brain: Familiarity Matters
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Music and Emotions in the Brain: Familiarity Matters

机译：大脑中的音乐和情感：熟悉事项

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摘要

The importance of music in our daily life has given rise to an increased number of studies addressing the brain regions involved in its appreciation. Some of these studies controlled only for the familiarity of the stimuli, while others relied on pleasantness ratings, and others still on musical preferences. With a listening test and a functional magnetic resonance imaging (fMRI) experiment, we wished to clarify the role of familiarity in the brain correlates of music appreciation by controlling, in the same study, for both familiarity and musical preferences. First, we conducted a listening test, in which participants rated the familiarity and liking of song excerpts from the pop/rock repertoire, allowing us to select a personalized set of stimuli per subject. Then, we used a passive listening paradigm in fMRI to study music appreciation in a naturalistic condition with increased ecological value. Brain activation data revealed that broad emotion-related limbic and paralimbic regions as well as the reward circuitry were significantly more active for familiar relative to unfamiliar music. Smaller regions in the cingulate cortex and frontal lobe, including the motor cortex and Broca's area, were found to be more active in response to liked music when compared to disliked one. Hence, familiarity seems to be a crucial factor in making the listeners emotionally engaged with music, as revealed by fMRI data.
机译：音乐在我们日常生活中的重要性已引起越来越多的研究，涉及涉及欣赏音乐的大脑区域。这些研究中的一些仅控制对刺激的熟悉程度，而其他一些则依赖于愉悦程度，而另一些则仍然依赖于音乐喜好。通过听力测试和功能磁共振成像（fMRI）实验，我们希望通过在同一项研究中同时控制熟悉度和音乐喜好来阐明熟悉度在音乐欣赏与大脑相关的作用。首先，我们进行了听力测试，参与者对流行/摇滚曲目中歌曲摘录的熟悉程度和喜欢程度进行了评估，从而使我们能够为每个主题选择一套个性化的刺激。然后，我们在fMRI中使用了被动聆听范例，以研究具有生态价值增加的自然主义条件下的音乐欣赏。脑部激活数据显示，相对于不熟悉的音乐，广泛的与情感有关的边缘和上肢边缘区域以及奖励电路对于熟悉的音乐更为活跃。与不喜欢的音乐相比，发现扣带回皮层和额叶的较小区域（包括运动皮层和Broca区域）对喜欢的音乐更活跃。因此，fMRI数据显示，熟悉程度似乎是使听众情感上投入音乐的关键因素。

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