声音会引起2个月大婴儿相对左侧额叶的阿尔法脑电波活动。
Sounds elicit relative left frontal alpha activity in 2-month-old infants.
作者信息
Mai Xiaoqin, Xu Lin, Li Mingyan, Shao Jie, Zhao Zhengyan, Lamm Connie, Fox Nathan A, Nelson Charles A, Lozoff Betsy
机构信息
Department of Psychology, Renmin University of China, Beijing 100872, China.
Department of Child Health Care, Children's Hospital Zhejiang University School of Medicine, Zhejiang 310003, China.
出版信息
Int J Psychophysiol. 2014 Dec;94(3):287-91. doi: 10.1016/j.ijpsycho.2014.09.008. Epub 2014 Sep 19.
As one kind of sounds, human voices are important for language acquisition and human-infant relations. Human voices have positive effects on infants, e.g., soothe infants and evoke an infant's smile. Increased left relative to right frontal alpha activity as assessed by the electroencephalogram (EEG) is considered to reflect approach-related emotions. In the present study, we recorded the EEG in thirty-eight 2-month-old infants during a baseline period while listening to sounds, i.e., human voices. Infants displayed increased relative left frontal alpha activity in response to sounds compared to the baseline condition. These results suggest that sounds can elicit relative left frontal activity in young infants, and that this approach-related emotion presents early in life.
作为一种声音，人类的嗓音对于语言习得和人类与婴儿的关系至关重要。人类的嗓音对婴儿有积极影响，例如，安抚婴儿并唤起婴儿的微笑。通过脑电图（EEG）评估，相对于右侧额叶，左侧额叶阿尔法活动增加被认为反映了与趋近相关的情绪。在本研究中，我们在38名2个月大的婴儿听声音（即人类嗓音）的基线期记录了他们的脑电图。与基线状态相比，婴儿对声音的反应显示出左侧额叶相对阿尔法活动增加。这些结果表明，声音可以引发幼儿左侧额叶的相对活动，并且这种与趋近相关的情绪在生命早期就已出现。
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