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在中级熟练双语者中,从L2到L1激活的词汇路径:行为和ERP证据
Siqin Yang1, Siyi Jiang2, Minghu Jiang3
1School of Liberal Arts, Renmin University of China, Beijing, China.
Frontiers in human neuroscience
|June 25, 2024
概括
双语者在处理第二语言 (L2) 时直接激活他们的母语 (L1). 这项研究发现了在视觉词识别过程中从L2到L1表示的直接词汇途径的证据.
科学领域:
- 心理语言学 心理语言学
- 认知神经科学 认知神经科学
- 双语研究 双语研究
背景情况:
- 第二语言 (L2) 处理通常涉及到第一语言 (L1) 的激活.
- 在L2理解过程中,这种L1激活的精确机制和途径仍在研究中.
- 中级双语者提供了一个有价值的模型来研究语言交互,因为他们已经建立了L2熟练程度.
研究的目的:
- 调查从L2到L1的直接词汇路径的存在.
- 为了确定L1激活是否发生在L2词识别期间的概念表示之前或之后.
- 在双语者中区分词汇和语义对L1激活的影响.
主要方法:
- 使用与事件相关的潜力 (ERP) 和行为测量 (母音字母搜索任务).
- 设计实验以在特定时间窗口内将词汇处理与语义原始化隔离开来.
- 招募中级普通话-英语双语者进行视觉文字识别任务.
主要成果:
- 在 P200 和 N400 ERP 时间窗口中观察到显著的 L1 词汇表示激活.
- 语义关联效应仅在N400窗口中显著,这表明后来的概念处理.
- 行为数据支持词汇和语义效应的时间分离.
结论:
- 双语者可以从L2输入中直接激活L1的词汇表示.
- 这种直接的词汇路径在L2视觉词识别过程中先进行概念处理.
- 结果支持一个模型,其中L2处理包括在语义集成之前直接L2-to-L1词汇激活.
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