Mei Hu

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2024

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L1到L2的跨语言激活路径研究——基于词汇识别的ERP数据∗(The Impact of Second Language Experience on Native Language Processing Across Different Language Modes)
Siqin Yang (杨思琴) | Mei Hu (胡美) | Minghu Jiang (江铭虎)
Proceedings of the 23rd Chinese National Conference on Computational Linguistics (Volume 1: Main Conference)

“本研究运用事件相关电位技术(event-related potentials, ERPs)在不同语言模式下探索二语学习者的二语经验是否会影响母语加工。实验招募了两组中国日语学习者作为被试,分别参与了接近双语模式的短版本实验和接近单语模式的长版本实验。统计结果显示,在短版本实验中,当汉-日同形异义词作为启动词时,语义相关性因素引发的N400波幅差异并不显著,但是引发的LPC波幅差异显著。在长版本实验中,语义相关性因素引发的N400和LPC的波幅都显著。据此,本研究推论,当被试在母语环境下加工母语语义时,二语语义在接近双语模式的短版本实验中被激活并影响母语加工,这种影响仅存在于N400的时间窗口期。但是,在接近单语模式的长版本实验中,二语语义在两个时间窗口里都没有影响母语加工。本研究从语言模式和时间窗口两个维度拓展了对二语经验影响母语加工的认识,对构建高质量的人类语言计算模型和系统具有重要的理论意义和应用价值。”