非常年幼的婴儿对辅音发音错误的敏感性在词识别中
Caroline Beech1, Daniel Swingley1
1Department of Psychology, 425 S. University Ave., Philadelphia, PA 19104 USA.
概括
12-14个月的婴儿可以检测出发音错误的单词,显示出正在发展的语音表示. 较年轻的婴儿 (6-11个月) 对这些早期词语学习线索的敏感度较低.
科学领域:
- 发展心理学 发展心理学
- 心理语言学 心理语言学
- 认知科学 认知科学
背景情况:
- 婴儿在产生口语之前就获得了词形知识.
- 了解早期语音表达的特异性对于解释单词学习至关重要.
研究的目的:
- 调查6-14个月龄的婴儿语音表达的特异性.
- 为了确定对早期词识别中的语音偏差敏感性的发育轨迹.
主要方法:
- 采用了基于互联网的语言引导的外观范式.
- 婴儿被介绍了常见的单词,正确发音或初始辅音发音错误.
- 测量了准图像和分散注意力的时间.
主要成果:
- 婴儿在词语发音错误时,对目标图像的看法减少,这表明声学敏感性.
- 在12-14个月大的孩子中观察到显著的错误发音效应,但在6-8个月大的孩子中没有.
- 9-11个月的婴儿表现出边缘错误发音效应.
结论:
- 婴儿在6个月至14个月之间对单词的语音细节产生敏感性.
- 这种发育进展表明,随着婴儿接近第一年,语音表示变得更加精确.
- 研究结果支持声学特异性在早期单词学习和识别中的作用.
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