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双语表征指两种语言信息在个体大脑中的存在形式。从神经语言学视角出发,双语表征研究的主要理论模型有独立表征、共同表征、修正层级以及义项模型;常用实验方法有行为学测量和神经学测量;造成双语表征差异的影响因素有二语习得年龄、二语语言水平、二语接触程度和二语书写系统等。双语表征的神经机制研究不但有助于深入了解大脑的语言功能,同时也为探索语言、思维以及行为的本质提供参考。
Bilingual representation refers to the existence of two kinds of language information in the individual brain. From the perspective of neurolinguistics, the main theoretical models of bilingual characterization are independent characterization, common characterization, revision level and semantic model. Common experimental methods include behavioral measurement and neurological measurement. The influencing factors of bilingual characterization are Second Language Acquisition Age, second language proficiency, second language exposure and second language writing system. The neural mechanism of bilingual representation not only helps to understand the language function of the brain, but also provides reference for exploring the essence of language, thinking and behavior.