第二语言中层次语言结构的神经特征 听力理解 听力理解
Lingxi Lu1, Yating Deng2, Zhe Xiao2
1Center for the Cognitive Science of Language, Beijing Language and Culture University, Beijing 100083, China lingxilu@blcu.edu.cn.
eNeuro
|June 16, 2023
概括
非母语人士在第二语言 (L2) 语音中难以处理层次结构,影响理解. 语句和句子的神经跟踪被破坏,与L2熟练程度和注意力有关.
科学领域:
- 神经科学是一个神经科学.
- 心理语言学 心理语言学
- 认知科学 认知科学
背景情况:
- 母语者有效地处理语音层次结构,将神经活动引入语言层面以进行理解.
- 了解非母语使用者如何处理第二语言 (L2) 语音层次,注意力和熟练程度至关重要,但并未得到充分理解.
研究的目的:
- 在L2语音理解中研究层次语言结构的神经跟踪.
- 检查神经跟踪,上下注意力和L2语言能力之间的关系.
主要方法:
- 在人类成年人身上利用了频率标记范式.
- 在第一语言 (L1) 和L2听者中测量了神经跟踪对语法 (4 Hz),短语 (2 Hz) 和句式 (1 Hz) 速率的响应.
- 通过让参与者关注或忽略语音流来操纵听力注意力.
主要成果:
- L2 听众表现出高阶语言结构 (短语和句子) 的神经跟踪受损.
- 在L2听者的语句级神经跟踪与他们的语言能力相关联.
- 在L2的上向下注意力调制效率低于L1的语言理解.
结论:
- 减少的三角波段神经振荡可能是L2听力过程中构建更高阶语言结构的基础.
- 语言层次和注意力的神经处理是L2语音理解和熟练度的关键因素.
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