语言暴露预测婴儿基于语言群体的神经处理他人的行为
Yiyi Wang1, Marc Colomer1, Hyesung Grace Hwang2
1Department of Psychology, University of Chicago, Chicago, IL, USA.
Developmental cognitive neuroscience
|November 22, 2025
概括
婴儿通过不同的处理行为来区分母语和外语. 早期的语言接触塑造了婴儿的神经动作处理.
科学领域:
- 发育神经科学的发展神经科学.
- 婴儿语言获取 婴儿语言获取
- 认知神经科学 认知神经科学
背景情况:
- 婴儿对语言的感知影响了他们的社会世界.
- 婴儿对母语与外语的区分背后的神经机制尚未完全理解.
研究的目的:
- 在观察母语和外语使用者的婴儿中调查神经反应 (注意力,动作处理,接近-避免).
- 检查语言暴露如何调节这些神经反应.
主要方法:
- 电脑电图 (EEG) 用于8至12个月大的婴儿.
- 婴儿观察母语 (英语) 和外语 (法语) 讲者执行目标指向的行动.
- 对神经活动进行了分析,以检测正面的theta同步,mu脱同步和正面的alpha不对称.
主要成果:
- 单语婴儿对母语使用者来说,与外语使用者相比,表现出更强的mu脱同步 (动作处理).
- 不单语的婴儿没有表现出这种差异的肌肉失同.
- 对于正面的theta或正面的alpha不对称性,没有发现语言组或暴露的显著影响.
结论:
- 婴儿对目标指导行为的神经处理反映了他们对母语和外语的新兴差异化.
- 早期语言接触显著塑造婴儿的神经动作处理,影响他们如何感知不同的语言.
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