| 摘要 | 第8-9页 |
| Abstract | 第9-10页 |
| Chapter 1 Introduction | 第15-18页 |
| 1.1 Background of the Research | 第15-16页 |
| 1.2 Purposes and Significance of the Research | 第16-17页 |
| 1.3 Organization of the | 第17-18页 |
| Chapter 2 Literature Review | 第18-28页 |
| 2.1 Introduction to Polysemy | 第18-19页 |
| 2.2 Traditional Approaches to Polysemy | 第19-25页 |
| 2.2.1 Saussure's concept of arbitrariness | 第19-21页 |
| 2.2.2 Semantic field theory | 第21-22页 |
| 2.2.3 Componential analysis | 第22-25页 |
| 2.2.4 Limitations of the traditional approaches to polysemy | 第25页 |
| 2.3 Cognitive Approach to Polysemy | 第25-27页 |
| 2.3.1 Previous cognitive studies of polysemy abroad | 第26页 |
| 2.3.2 Previous cognitive studies of polysemy at home | 第26-27页 |
| 2.4 Summary | 第27-28页 |
| Chapter 3 Theoretical Framework | 第28-41页 |
| 3.1 Introduction to Cognitive Linguistics | 第28-29页 |
| 3.2 Categorization and Prototype Theory | 第29-36页 |
| 3.2.1 Category and categorization | 第30-31页 |
| 3.2.2 Classical theory of categories | 第31-32页 |
| 3.2.3 Wittgenstein's family resemblances | 第32-33页 |
| 3.2.4 Prototype theory | 第33-36页 |
| 3.3 Conceptual Metaphor and Metonymy | 第36-41页 |
| 3.3.1 Metaphor in cognitive linguistics and its motivation to polysemy | 第36-38页 |
| 3.3.2 Metonymy in cognitive linguistics and its motivation to polysemy | 第38-41页 |
| Chapter 4 Research Methodology | 第41-46页 |
| 4.1 Research Questions | 第41页 |
| 4.2 Data Collection | 第41-43页 |
| 4.3 Data Analysis | 第43-44页 |
| 4.4 Research Methods | 第44-46页 |
| 4.4.1 Qualitative and quantitative research method | 第44页 |
| 4.4.2 Contrastive method | 第44-45页 |
| 4.4.3 Description and explanation method | 第45-46页 |
| Chapter 5 Case Study:A Cognitive Contrastive Study on the Polysemes "Head" and"Tou" | 第46-78页 |
| 5.1 Analysis on Various Senses of Head and Tou in Dictionaries | 第46-60页 |
| 5.1.1 Analysis on polyseme "head" in English | 第46-54页 |
| 5.1.1.1 Lexical entries of the polyseme "head" in dictionaries | 第46-48页 |
| 5.1.1.2 Polyseme "head" as a prototype category | 第48-54页 |
| 5.1.2 Analysis on polyseme "tou" in Chinese | 第54-59页 |
| 5.1.2.1 Lexical entries of the polyseme "tou" in dictionaries | 第54-55页 |
| 5.1.2.2 Polyseme "tou" as a prototype category | 第55-59页 |
| 5.1.3 Summary | 第59-60页 |
| 5.2 Cognitive Devices of Semantic Extension of "Head" and "Tou" Based on Prototype Theory | 第60-70页 |
| 5.2.1 Metaphorical extension of "head" and "tou" | 第60-64页 |
| 5.2.1.1 Mappings from HEAD to concrete nod-body domain | 第60-62页 |
| 5.2.1.2 Mappings from HEAD to abstract nod-body domain | 第62-64页 |
| 5.2.1.3 Mappings from HEAD to other body parts domain | 第64页 |
| 5.2.2 Metonymical extension of "head" and "tou" | 第64-70页 |
| 5.2.2.1 HEAD for person | 第65页 |
| 5.2.2.2 HEAD for mind | 第65-66页 |
| 5.2.2.3 HEAD for hair or hairstyle | 第66页 |
| 5.2.2.4 HEAD for headache | 第66页 |
| 5.2.2.5 HEAD for measurement | 第66-67页 |
| 5.2.2.6 HEAD for quantifier | 第67页 |
| 5.2.2.7 HEAD for action | 第67-68页 |
| 5.2.2.8 HEAD for the first | 第68页 |
| 5.2.2.9 HEAD for foremost or leading | 第68-70页 |
| 5.3 Comparative and Contrastive Analysis of "Head" and "Tou" | 第70-77页 |
| 5.3.1 Similarities and differences | 第70-71页 |
| 5.3.2 Analysis of similarities and differences | 第71-77页 |
| 5.3.2.1 Analysis of similarities | 第72-74页 |
| 5.3.2.2 Analysis of differences | 第74-77页 |
| 5.4 Summary | 第77-78页 |
| Chapter 6 Conclusion | 第78-82页 |
| 6.1 Major Findings of the Study | 第78-80页 |
| 6.2 Implications for Polyseme Teaching and Learning | 第80-81页 |
| 6.3 Limitations and Further Suggestions | 第81-82页 |
| Bibliography | 第82-88页 |
| Acknowledgements | 第88-89页 |
| Publications | 第89页 |
