PLOS ONE2013-11-17 1:17 AM

Prenatal Music Exposure Induces Long-Term Neural Effects Prenatal Music Exposure Induces Long-Term Neural Effects 胎教音乐对神经系统的长期影响

Abstract We investigated the neural correlates induced by prenatal exposure to melodies using brains' event-related potentials (ERPs). During the last trimester of pregnancy, the mothers in the learning group played the ‘Twinkle twinkle little star’ -melody 5 times per week. After birth and again at the age of 4 months, we played the infants a modified melody in which some of the notes were changed while ERPs to unchanged and changed notes were recorded. The ERPs were also recorded from a control group, who received no prenatal stimulation. Both at birth and at the age of 4 months, infants in the learning group had stronger ERPs to the unchanged notes than the control group. Furthermore, the ERP amplitudes to the changed and unchanged notes at birth were correlated with the amount of prenatal exposure. Our results show that extensive prenatal exposure to a melody induces neural representations that last for several months. 论文摘要 我们使用大脑的事件相关电位(ERPs)调查了由胎教音乐引起的神经相关性。在怀孕的最后三个月,学习小组的母亲们每周听5次《小星星》这首歌。在孩子出生及4个月大时,我们给婴儿们播放一首经过改编的《小星星》,并记录下本身被改变但是ERPs未改变的音符。同时我们也记录了一个控制小组的ERPs,这个小组不听胎教音乐。在出生及4个月大时,学习小组的婴儿们对未改变的音符比控制小组的婴儿们表现出更强的ERPs,而且出生时婴儿对未改变音符的ERP幅度和胎教音乐的播放次数具有相关性。我们的结果显示,大量的胎教音乐引起的神经表征能持续几个月。

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