学习英语的婴儿对元音发声学线索产生敏感性,对单词细分产生敏感性
Hironori Katsuda1, Megha Sundara1
1Department of Linguistics, UCLA, Los Angeles, California, USA.
Developmental science
|September 4, 2024
概括
婴儿学习语言最初使用一般的统计模式来对单词进行细分. 随着他们的成长,他们优先考虑特定语言的声音规则,比如元音模式,而不是一般的统计数据.
科学领域:
- 发展心理学 发展心理学
- 语言学的语言学.
- 认知科学 认知科学
背景情况:
- 婴儿学习语言必须将连续的语音分割成单词.
- 早期的单词细分依赖于像过渡概率 (TP) 这样的域一般线索.
- 语言特定的线索,如压力和语音战术,也指导细分.
研究的目的:
- 为了研究英语学习的婴儿如何整合过渡概率 (TP) 和特定语言的母音声学 (VP) 线索来进行单词细分.
- 为了确定5到10个月大的婴儿之间依赖暗示的发育转变,当这些暗示冲突时.
主要方法:
- 婴儿接触到具有一致或冲突的TP和VP线索的人造语言.
- 行为实验测量了婴儿对基于这些线索的单词细分的敏感性.
- 测试的年龄组包括5个月和10个月的孩子.
主要成果:
- 当TP和VP线索发生冲突时,5个月大的孩子依赖TP,表明他们依赖域一般信息.
- 相比之下,10个月大的孩子优先考虑VP线索,这表明他们正在转向特定语言的模式.
- 这些发现反映了先前的结果,即年龄较大的婴儿优先考虑压力线索而不是TP.
结论:
- 婴儿单词细分从一般的统计学学习发展到将语言特定的约束纳入.
- 这些发现支持统计启动模型,婴儿使用分布信息来分割单词,然后学习特定语言的规则.
- 这种发展轨迹突出了早期语言学习中域一般和语言特定机制之间的相互作用.
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