摘要 

心理词库，也称作内部词汇或心理词典，这一概念源自于心理语言学，它是保存在人脑中的一部词典，储存了大量的词条，每个词条又包括词的写法、语音以及语义等各种知识。词汇习得是二语习得的中心任务，近年来有关二语词汇习得的理论探讨和实践研究日趋活跃，其中心理词库研究的不断深入为词汇教学提供了理论基础和指导方法。本文研究的对象是心理词库词际联系对英语词汇习得的影响。首先从心理词库研究的背景和文章结构讲起，回顾国内外对心理词库的研究成果后，初步了解心理词库和影响词汇习得的两大来源，继而深入分析心理词库词际联系对英语词汇习得的几方面影响，最终进行总结并对心理词库理论应用于词汇学习的实践做一些展望。

关键词：心理词库，英语词汇习得，影响

Contents

摘要 i

Abstract ii

Acknowledgements iii

1Introduction1 

1.1 Background of This Study 1

1.2 Structure of This Thesis 2

2 Literature Review 3

2.1 Previous Study abroad 3

2.2 Previous Studies in China 4

3  Source of Influence on English Vocabulary Acquisition- Mental Lexicon 5

3.1 Brief Introduction of Mental Lexicon 5

3.2 Two aspects of Mental Lexicon that have Influence on English Vocabulary Acquisition 8

3.2.1 Influence from Mental Lexicon network hierarchy 8    

3.2.2 Influence from L1 Mental Lexicon 10

4 Different Influences of Mental Lexicon on English Vocabulary Acquisition 11

4.1 Influence on the Internalizing Effectiveness of Vocabulary Acquisition 11

4.2 Influence on the Extraction Speed of Vocabulary Acquisition 12 

4.3 Influence on the Authentic Use of Vocabulary Acquisition 13

4.3.1 Influence on the Phonological Correctness of Vocabulary Acquisition 13 

4.3.2 Influence on the Semantic Correctness of Vocabulary Acquisition 15

5 Conclusion 17

References 20