| ABSTRACT | 第1-8页 |
| 中文摘要 | 第8-11页 |
| ACKNOWLEDGEMENTS | 第11-12页 |
| TABLE OF CONTENTS | 第12-13页 |
| INTRODUCTION | 第13-41页 |
| Working memory | 第13-16页 |
| Specific aims of the thesis | 第16-19页 |
| In retrospect of WM | 第19-25页 |
| Delay activity | 第19-22页 |
| Selective activity | 第22-25页 |
| Working memory in sensory systems | 第25-37页 |
| Tactile working memory | 第27-33页 |
| Visual working memory | 第33页 |
| Crossmodal working memory | 第33-37页 |
| Decision making | 第37-41页 |
| METHODS | 第41-50页 |
| Subjects | 第41页 |
| Behavioral tasks | 第41-45页 |
| Implantation of recording chambers | 第45页 |
| Single unit recording | 第45-46页 |
| Data analysis | 第46-50页 |
| RESULTS AND DISCUSSION | 第50-96页 |
| Study Ⅰ:Persistent neuronal firing in SI cortex during instructed delays betweenhaptic stimuli in the absence of working-memory requirement | 第50-70页 |
| Results | 第53-61页 |
| Neuronal responses in the HH task (horizontal vs. vertical) | 第54-58页 |
| Neuronal responses in the HH task (smooth vs. rough) | 第58-59页 |
| Neuronal responses in the visuo-haptic cross-modal tasks | 第59-61页 |
| Discussion | 第61-70页 |
| Study Ⅱ:Decision Making in the Primary Somatosensory Cortex | 第70-82页 |
| Results and discussion | 第71-82页 |
| Study Ⅲ:Maintenance and execution in working memory:comparison of neuronal activities in monkey prefrontal cortex between working memory and nonworking memory tactile delay tasks | 第82-96页 |
| Results and discussion | 第85-96页 |
| Future studies | 第96-98页 |
| REFERENCES | 第98-116页 |
