CHAPTER 1 INTRODUCTION 1
1.1 Motivation 1
1.2 Background and Related Works 3
1.3 Thesis Organization and System Flow Chart 7
CHAPTER 2 EXPERIMENT DESCRIPTION AND DATA ACQUISITION 11
2.1 Experiment Description 11
2.1.1 Experiment Environment 11
2.1.2 Subjects and Stimuli Events 13
2.2 Data Acquisition 15
CHAPTER 3 FMRI ANALYSIS 16
3.1 Overview 16
3.2 fMRI Preprocessing 16
3.2.1 Realignment 16
3.2.2 Segmentation 18
3.2.3 Normalization 19
3.2.4 Smoothing 21
3.3 Significant Region Estimation 22
CHAPTER 4 EEG BRAIN MAPPING 24
4.1 Overview 24
4.2 Coordinates Integration 24
4.3 Linear Interpolation 28
CHAPTER 5 EEG PREPROCESSING 30
5.1 Overview 30
5.2 Processing Steps 31
CHAPTER 6 EVENT-RELATED 37
DESYNCHRONIZATION (ERD) VERIFICATION 37
6.1 Overview 37
6.2 Processing Steps 38
CHAPTER 7 GRANGER CAUSALITY MODEL (GCM) 40
7.1 Overview 40
7.2 Algorithm 41
7.3 Parameter Training 43
7.4 Frequency Band Selection 47
CHAPTER 8 EXPERIMENTAL RESULTS AND DISCUSSION 49
8.1 Overview 49
8.2 Activated ROI Results from fMRI Data 50
8.3 De-correlation Processing Verification 61
8.4 GCM Results and Comparisons from EEG Data 62
8.4.1 Overview 63
8.4.2 Intra-subject multi-points crossover analysis of one event 64
8.4.3 Regional Sensitivity Test 87
CHAPTER 9 CONCLUSIONS AND FUTURE WORKS 90
REFERENCES 93
VITA 96
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