在典型的双语意大利 - 德语和单语德语儿童中发展神经语音歧视的自动性
Theresa Bloder1, Tanja Rinker1, Valerie Shafer2
1Catholic University Eichstätt-Ingolstadt, Eichstätt, Germany.
PloS one
|October 23, 2024
概括
双语儿童是双语的孩子.
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:
- 双语影响儿童的语音发育.
- 了解双语儿童如何处理语音对于发育研究至关重要.
- 语音启动时间 (VOT) 的感知在不同语言之间有所不同,这给双语者带来了独特的挑战.
研究的目的:
- 研究在双语意大利-德国儿童的语音启动时间 (VOT) 感知背后的神经过程.
- 为了比较双语儿童与单语德语同龄人的VOT感知能力.
- 探索双语语言输入对语音/声学类别发展的影响.
主要方法:
- 利用一个奇怪的设计来引起神经不匹配反应 (MMR).
- 测试了5岁儿童 (16个单语德语,24个双语意大利语-德语).
- 呈现双边停止VOT对比,包括德国 (长延迟) 和意大利 (发声领先) 特定对比.
主要成果:
- 双语和单语儿童对德国长时滞和意大利发音领先的VOT表现出类似的神经反应.
- 双语儿童对36毫秒长延迟的VOT没有表现出强大的不匹配响应 (MMR),这是一个声学上具有挑战性的区别.
- 在表达领先感知方面,双语者和单语者之间没有明显的差异.
结论:
- 这些发现表明,双语儿童对VOT的神经处理受到他们的语言输入的影响.
- 意大利语输入量可能不足以赋予双语者的感知优势.
- 另外,结果可能表明,表达领先的声音本质上比表达落后的声音更容易被歧视.
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