产前语言接触塑造了出生时的语言大脑反应
Andréanne René1,2, Laura Caron-Desrochers1,2, Julie Tremblay1
1Laboratoire d'Imagerie Optique en Neurodéveloppement (LIONlab), Sainte-Justine University Hospital Research Center, Montréal, QC, Canada.
Communications biology
|August 5, 2025
概括
产前接触语言塑造新生儿大脑对语言的反应. 甚至在出生之前,大脑处理熟悉的语言不同于不熟悉的语言,影响早期的语言感知.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 语言学的语言学.
背景情况:
- 新生儿拥有与成年人相似的不成熟的语音处理网络.
- 产前经验对这个网络的影响还不太清楚.
研究的目的:
- 为了调查产前听觉经验如何调节新生儿的语音处理网络.
- 要确定在子宫内接触特定语言是否会影响出生时的大脑反应.
主要方法:
- 功能近红外光谱学 (fNIRS) 用于记录新生儿的大脑活动.
- 胎儿在产前接触到母语和外语的故事.
- 在产后听母语和外语时测量新生儿的大脑反应.
主要成果:
- 大脑对母语和产前接触外语的反应是相似的.
- 在未接触到外语的左和右前额叶区域观察到大脑活动的显著差异.
- 这些发现表明产前听觉学习会影响早期的语言处理.
结论:
- 胎儿的语言环境显著影响出生时的语音处理能力.
- 在子宫中早期的听觉体验塑造了发育中的大脑的语言网络.
- 这项研究强调了产前暴露在语言学习基础工作中的关键作用.
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