冠状元下规范作为一种新兴的属性在语音处理的发展
Nadja Althaus1, Aditi Lahiri1, Kim Plunkett2
1Faculty of Linguistics, Philology and Phonetics, University of Oxford.
概括
幼儿最初会识别所有语音的错误发音. 然而,在24个月后,幼儿对错误发音的冠状声失去敏感性,这表明他们的发育词汇中存在下限的语音表示.
科学领域:
- 发展心理语言学
- 音声学获取 音声学获取 声学获取
- 词汇表达的词汇表达方式
背景情况:
- 词汇表达理论争论的是,发展的语音表达是详细的还是不详细的.
- 特色低规范的词典理论认为,冠状声缺乏发音位置的规范,即使在成年人中也是如此.
- 之前的研究对幼儿对冠状和非冠状声音的错误发音敏感性产生了不同的结果.
研究的目的:
- 调查幼儿词典中的语音特异性的发展轨迹.
- 为了测试关于开发语音表示的特征性低规格词典理论的预测.
- 为了确定幼儿在什么年龄失去了对冠状声的错误发音的敏感性.
主要方法:
- 在18个月和24个月的幼儿中进行了一项跨式偏好观察研究,该研究对18个和24个月的幼儿进行了研究.
- 评估了幼儿对冠状和非冠状发作的词语发音错误的敏感性.
- 使用增长曲线分析来分析行为数据.
主要成果:
- 在18个月时,幼儿对冠状和非冠状发病单词的错误发音表现出敏感性.
- 到24个月,幼儿对冠状发病词语的错误发音的敏感性显著下降.
- 这种模式表明,在发育过程中,冠状体的表现变得不够明确.
结论:
- 这些发现支持在正在发展的词汇中逐渐出现的语音下规范.
- 冠状元低规格似乎在24个月后发展,可能是由于暴露于语音变异.
- 提出了一个模型,在这个模型中,初始的语音表示会成熟到语音上不太精确的词汇表示.
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