Preface |
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xi | |
Acknowledgments |
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xvii | |
About the Authors |
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xix | |
1 Introduction to Brain-Inspired Memory and Learning Models |
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1 | (50) |
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1 | (2) |
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1.2 Philosophical Contributions to Memory Research |
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3 | (7) |
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1.2.1 Atkinson and Shiffrin's Model |
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4 | (1) |
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5 | (1) |
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6 | (1) |
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1.2.4 The Parallel and Distributed Processing (PDP) Approach |
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6 | (2) |
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1.2.5 Procedural and Declarative Memory |
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8 | (2) |
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1.3 Brain-Theoretic Interpretation of Memory Formation |
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10 | (6) |
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10 | (2) |
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1.3.2 Memory Consolidation |
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12 | (2) |
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1.3.3 Location of Stored Memories |
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14 | (1) |
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1.3.4 Isolation of Information in Memory |
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15 | (1) |
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16 | (1) |
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17 | (1) |
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18 | (1) |
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1.7 The Cellular Process Behind STM Formation |
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18 | (2) |
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20 | (1) |
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1.9 Brain Signal Analysis in the Context of Memory and Learning |
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20 | (15) |
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1.9.1 Association of EEG α and theta Band with Memory Performances |
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21 | (3) |
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1.9.2 Oscillatory β and γ Frequency Band Activation in STM Performance |
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24 | (1) |
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1.9.3 Change in EEG Band Power with Changing Working Memory Load |
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24 | (3) |
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1.9.4 Effects of Electromagnetic Field on the EEG Response of Working Memory |
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27 | (1) |
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1.9.5 EEG Analysis to Discriminate Focused Attention and WM Performance |
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28 | (1) |
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1.9.6 EEG Power Changes in Memory Repetition Effect |
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29 | (3) |
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1.9.7 Correlation Between LTM Retrieval and EEG Features |
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32 | (2) |
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1.9.8 Impact of Math Anxiety on WM Response: An EEG Study |
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34 | (1) |
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1.10 Memory Modeling by Computational Intelligence Techniques |
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35 | (4) |
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39 | (4) |
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43 | (8) |
2 Working Memory Modeling Using Inverse Fuzzy Relational Approach |
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51 | (42) |
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52 | (2) |
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2.2 Problem Formulation and Approach |
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54 | (16) |
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2.2.1 Independent Component Analysis as a Source Localization Tool |
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55 | (3) |
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2.2.2 Independent Component Analysis vs. Principal Component Analysis |
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58 | (1) |
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58 | (1) |
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2.2.4 Phase 1: WM Modeling |
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59 | (3) |
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2.2.4.1 Step I: WM Modeling of Subject Using EEG Signals During Full Face Encoding and Recall from Specific Part of Same Face |
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60 | (2) |
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2.2.4.2 Step II: WM Modeling of Subject Using EEG Signals During Full Face Encoding and Recall from All Parts of Same Face |
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62 | (1) |
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2.2.5 Phase 2: WM Analysis |
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62 | (3) |
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2.2.6 Finding Max-Min Compositional Inverse of Weight Matrix Wk |
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65 | (5) |
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2.3 Experiments and Performance Analysis |
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70 | (15) |
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2.3.1 Experimental Set-up |
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71 | (2) |
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2.3.2 Source Localization Using eLORETA |
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73 | (1) |
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74 | (1) |
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2.3.4 Selection of EEG Features |
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74 | (3) |
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2.3.5 WM Model Consistency Across Partial Face Stimuli |
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77 | (1) |
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2.3.6 Inter-person Variability of W |
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77 | (1) |
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2.3.7 Variation in Imaging Attributes |
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77 | (7) |
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2.3.8 Comparative Analysis with Existing Fuzzy Inverse Relations |
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84 | (1) |
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85 | (1) |
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86 | (2) |
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88 | (5) |
3 Short-Term Memory Modeling in Shape-Recognition Task by Type-2 Fuzzy Deep Brain Learning |
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93 | (44) |
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94 | (2) |
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96 | (5) |
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3.3 Brain Functional Mapping Using Type-2 Fuzzy DBLN |
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101 | (12) |
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3.3.1 Overview of Type-2 Fuzzy Sets |
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103 | (1) |
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3.3.2 Type-2 Fuzzy Mapping and Parameter Adaptation by Perceptron-Like Learning |
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104 | (6) |
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3.3.2.1 Construction of the Proposed Interval Type-2 Fuzzy Membership Function (IT2MF) |
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104 | (1) |
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3.3.2.2 Construction of IT2FS-Induced Mapping Function |
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105 | (2) |
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3.3.2.3 Secondary Membership Function Computation of Proposed GT2FS |
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107 | (1) |
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3.3.2.4 Proposed General Type-2 Fuzzy Mapping |
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108 | (2) |
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3.3.3 Perceptron-Like Learning for Weight Adaptation |
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110 | (1) |
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3.3.4 Training of the Proposed Shape-Reconstruction Architecture |
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111 | (2) |
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3.3.5 The Test Phase of the Memory Model |
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113 | (1) |
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3.4 Experiments and Results |
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113 | (7) |
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3.4.1 Experimental Set-up |
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113 | (3) |
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3.4.2 Experiment 1: Validation of the STM Model with Respect to Error Metric ξ |
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116 | (1) |
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3.4.3 Experiment 2: Similar Encoding by a Subject for Similar Input Object Shapes |
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116 | (1) |
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3.4.4 Experiment 3: Study of Subjects' Learning Ability with Increasing Complexity in Object Shape |
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117 | (1) |
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3.4.5 Experiment 4: Convergence Time of the Weight Matrix G for Increased Complexity of the Input Shape Stimuli |
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118 | (1) |
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3.4.6 Experiment 5: Abnormality in G matrix for the Subjects with Brain Impairment |
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119 | (1) |
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3.5 Biological Implications |
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120 | (2) |
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122 | (5) |
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3.6.1 Performance Analysis of the Proposed T2FS Methods |
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123 | (1) |
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3.6.2 Computational Performance Analysis of the Proposed T2FS Methods |
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123 | (1) |
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3.6.3 Statistical Validation Using Wilcoxon Signed-Rank Test |
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124 | (2) |
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3.6.4 Optimal Parameter Selection and Robustness Study |
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126 | (1) |
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127 | (3) |
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130 | (7) |
4 EEG Analysis for Subjective Assessment of Motor Learning Skill in Driving Using Type-2 Fuzzy Reasoning |
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137 | (38) |
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138 | (2) |
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140 | (7) |
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4.2.1 Rule Design to Determine the Degree of Learning |
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141 | (3) |
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4.2.2 Single Trial Detection of Brain Signals |
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144 | (2) |
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4.2.2.1 Feature Extraction |
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144 | (1) |
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4.2.2.2 Feature Selection |
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145 | (1) |
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145 | (1) |
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4.2.3 Type-2 Fuzzy Reasoning |
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146 | (1) |
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4.2.4 Training and Testing of the Classifiers |
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146 | (1) |
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4.3 Determining Type and Degree of Learning by Type-2 Fuzzy Reasoning |
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147 | (10) |
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4.3.1 Preliminaries on IT2FS and GT2FS |
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147 | (1) |
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4.3.2 Proposed Reasoning Method 1: CIT2FS-Based Reasoning |
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148 | (2) |
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4.3.3 Computation of Percentage Normalized Degree of Learning |
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150 | (1) |
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4.3.4 Optimal A Selection in IT2FS Reasoning |
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151 | (1) |
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4.3.5 Proposed Reasoning Method 2: Triangular Vertical Slice (TVS)-Based CGT2FS Reasoning |
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151 | (3) |
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4.3.5.1 Closed General Type-2 Fuzzy Inference Generation |
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151 | (3) |
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154 | (1) |
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4.3.6 Proposed Reasoning Method 3: CGT2FS Reasoning with Gaussian Secondary MF |
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154 | (3) |
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156 | (1) |
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4.4 Experiments and Results |
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157 | (7) |
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4.4.1 The Experimental Set-up |
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157 | (1) |
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4.4.2 Stimulus Presentation |
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157 | (1) |
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4.4.3 Experiment 1: Source Localization Using eLORETA |
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158 | (1) |
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4.4.4 Experiment 2: Validation of the Rules |
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159 | (1) |
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4.4.5 Experiment 3: Pre-processing and Artifact Removal Using ICA |
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159 | (4) |
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4.4.6 Experiment 4: N400 Old/New Effect Observation over the Successive Trials |
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163 | (1) |
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4.4.7 Experiment 5: Selection of the Discriminating EEG Features Using PCA |
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163 | (1) |
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4.5 Performance Analysis and Statistical Validation |
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164 | (5) |
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4.5.1 Performance Analysis of the LSVM Classifiers |
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164 | (1) |
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165 | (1) |
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4.5.3 Performance Analysis of the Proposed T2FS Reasoning Methods |
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166 | (1) |
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4.5.4 Computational Performance Analysis of the Proposed T2FS Reasoning Methods |
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166 | (2) |
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4.5.5 Statistical Validation Using Wilcoxon Signed-Rank Test |
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168 | (1) |
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169 | (1) |
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169 | (6) |
5 EEG Analysis to Decode Human Memory Responses in Face Recognition Task Using Deep LSTM Network |
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175 | (28) |
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176 | (3) |
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179 | (4) |
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5.2.1 The Standard CSP Algorithm |
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179 | (1) |
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5.2.2 The Proposed CSP Algorithm |
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180 | (3) |
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5.3 Proposed LSTM Classifier with Attention Mechanism |
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183 | (5) |
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5.3.1 Attention Mechanism in Each LSTM Unit |
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184 | (4) |
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5.4 Experiments and Results |
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188 | (8) |
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5.4.1 Experimental Set-up |
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188 | (1) |
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5.4.2 Experiment 1: Activated Brain Region Selection Using eLORETA |
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188 | (2) |
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5.4.3 Experiment 2: Detection of the ERP Signals Associated with the Familiar and Unfamiliar Face Discrimination |
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190 | (1) |
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5.4.4 Experiment 3: Performance Analysis of the Proposed CSP Algorithm as a Feature Extraction Technique |
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191 | (1) |
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5.4.5 Experiment 4: Performance Analysis of the Proposed LSTM-Based Classifier |
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192 | (2) |
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5.4.6 Experiment 5: Classifier Performance Analysis with Varying EEG Time-Window Length |
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194 | (1) |
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5.4.7 Statistical Validation of the Proposed LSTM Classifier Using McNemar's Test |
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195 | (1) |
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196 | (1) |
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197 | (6) |
6 Cognitive Load Assessment in Motor Learning Tasks by Near-Infrared Spectroscopy Using Type-2 Fuzzy Sets |
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203 | (36) |
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203 | (3) |
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6.2 Principles and Methodologies |
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206 | (5) |
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6.2.1 Normalization of the Raw Data |
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206 | (1) |
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207 | (1) |
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208 | (1) |
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6.2.4 Training Instance Generation for Offline Training |
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208 | (1) |
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6.2.5 Feature Selection Using Evolutionary Algorithm |
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209 | (1) |
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6.2.6 Classifier Training and Testing |
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210 | (1) |
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211 | (8) |
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6.3.1 Preliminaries on IT2FS and GT2FS |
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211 | (1) |
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6.3.2 IT2FS-Induced Classifier Design |
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212 | (4) |
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6.3.3 GT2FS-Induced Classifier Design |
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216 | (3) |
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6.4 Experiments and Results |
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219 | (7) |
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6.4.1 Experimental Set-up |
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219 | (1) |
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219 | (2) |
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6.4.3 Stimulus Presentation for Online Classification |
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221 | (1) |
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6.4.4 Experiment 1: Demonstration of Decreasing Cognitive Load with Increasing Learning Epochs for Similar Stimulus |
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221 | (2) |
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6.4.5 Experiment 2: Automatic Extraction of Discriminating fNIRs Features |
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223 | (1) |
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6.4.6 Experiment 3: Optimal Parameter Setting of Feature Selection and Classifier Units |
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223 | (3) |
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6.5 Biological Implications |
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226 | (1) |
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226 | (6) |
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6.6.1 Performance Analysis of the Proposed IT2FS and GT2FS Classifier |
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226 | (3) |
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6.6.2 Statistical Validation of the Classifier Using McNemar's Test |
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229 | (3) |
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232 | (1) |
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232 | (7) |
7 Conclusions and Future Directions of Research on BCI-Based Memory and Learning |
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239 | (8) |
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7.1 Self-Review of the Works Undertaken in the Book |
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239 | (3) |
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7.2 Limitations of EEG BCI-Based Memory Experiments |
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242 | (1) |
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7.3 Further Scope of Future Research on Memory and Learning |
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242 | (3) |
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245 | (2) |
Index |
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247 | |