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首页> 外文期刊>The European Journal of Neuroscience >Musical experience and neural efficiency: effects of training on subcortical processing of vocal expressions of emotion.
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Musical experience and neural efficiency: effects of training on subcortical processing of vocal expressions of emotion.

机译：音乐经验和神经效率：训练对皮下情感表达的处理效果。

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摘要

Musicians exhibit enhanced perception of emotion in speech, although the biological foundations for this advantage remain unconfirmed. In order to gain a better understanding for the influences of musical experience on neural processing of emotionally salient sounds, we recorded brainstem potentials to affective human vocal sounds. Musicians showed enhanced time-domain response magnitude to the most spectrally complex portion of the stimulus and decreased magnitude to the more periodic, less complex portion. Enhanced phase-locking to stimulus periodicity was likewise seen in musicians' responses to the complex portion. These results suggest that auditory expertise engenders both enhancement and efficiency of subcortical neural responses that are intricately connected with acoustic features important for the communication of emotional states. Our findings provide the first biological evidence for behavioral observations indicating that musical training enhances the perception of vocally expressed emotion in addition to establishing a subcortical role in the auditory processing of emotional cues.
机译：音乐家表现出对语音情感的增强感知，尽管这种优势的生物学基础尚未得到证实。为了更好地理解音乐体验对情感突出声音的神经处理的影响，我们记录了脑干对情感人声的潜在影响。音乐家对刺激中频谱最复杂的部分表现出增强的时域响应幅度，而对周期性更复杂的部分表现出减小的幅度。在音乐家对复杂部分的反应中，同样可以看到增强了对刺激周期性的锁相。这些结果表明，听觉上的专长既增强了皮层下神经反应的效率，又增强了其与对情绪状态的交流很重要的声学特征之间的联系。我们的发现为行为观察提供了第一个生物学证据，表明音乐训练除了在情绪提示的听觉处理中建立皮层下的作用外，还可以增强对声音表达的情感的感知。

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