单语,非音调双语和音调双语婴儿:语言体验改变言语和非言语感知
Liquan Liu1,2, Varghese Peter3, Zhen Zeng4
1University of Technology Sydney.
Journal of cognitive neuroscience
|July 24, 2025
概括
暴露在复杂语言环境中的婴儿表现出增强的音调感知,即使是非语音声音. 双语婴儿,特别是那些接触到音调语言的婴儿,从小就能更好地区分语音和音乐音调.
科学领域:
- 发展心理学 发展心理学
- 语言学的语言学.
- 听觉神经科学 听觉神经科学
背景情况:
- 婴儿音调感知研究已经发展,专注于声学与语言信息以及母语相关性.
- 语言体验和发育性音调感知之间的相互作用仍然未被充分探索.
研究的目的:
- 调查多种语言背景如何影响婴儿对言语和非言语音调对比的神经歧视.
- 为了比较单语和双语婴儿在不同语言类型 (音调与非音调) 中的音调感知.
主要方法:
- 在5-6个月和11-12个月的婴儿中,比较了语音/词汇和小提琴音调对比的神经歧视.
- 婴儿根据语言背景进行分类:单语 (Mono),双语非音调 (Bi-NT) 和双语音调 (Bi-Tone).
主要成果:
- 单语婴儿对词汇音调对比没有显著的反应.
- 双语婴儿 (Bi-NT和Bi-Tone) 在5个月时表现出对词汇音调的积极不匹配反应,这表明增强效应.
- 对小提琴音调的感知有所不同:在Mono下降,在Bi-NT没有显著的响应,并在Bi-Tone婴儿的第一年增加.
结论:
- 早期接触复杂的语言环境,包括双语和音调语言,增强了婴儿在语音和非语音领域的音调感知.
- 语音和非语音的认知处理可能会相互作用,受婴儿时期语言经验的影响.
- 研究结果表明,音调感知发展是可塑的,并且从小就受到语言输入的显著影响.
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