1引言二语习得研究的主要目的是要回答:什么是最好的学习外语的方式?什么是最有效的教授外语的方法?目前二语习得的研究者使用了许多方法,提出了诸多理论,试图回答以上的问题(Slabakova,2016)。但这一问题的答案还是众说纷纭,莫衷一是。最近十多年来国内外兴起的运用神经科学的方法[这里主要是指事件相关电位(Event-Related Potentials或ERPs)]探讨二 1 Introduction The main purpose of second language acquisition research is to answer: What is the best way to learn a foreign language? What is the most effective way to teach a foreign language? At present, second language acquisition researchers use many methods and put forward many Theory, trying to answer the above questions (Slabakova, 2016). However, there are still many different opinions on the answer to this question. In recent ten years, the rise of domestic and international use of neuroscience methods [mainly refers to the event-related potential (Event-Related Potentials or ERPs)] to explore two