17th International Conference on Biomagnetism Advances in Biomagnetism - Biomag 2010 - March 28 - April 1, 2010 (eBook)

Foreword 6
Organization 7
Table of Contents 10
40 Years of SQUIDs in Biomagnetism: Highlights of Heart and Brain Research 10
Forty Years of Magnetocardiology 19
INTRODUCTION 19
THE BEGINNING 19
THE SEVENTIES 19
THE EARLY EIGHTIES 20
THE MULTICHANNEL ERA 22
CONCLUSIONS 24
REFERENCES 25
Highlights of 40 Years of SQUID-Based Brain Research and Clinical Applications 27
INTRODUCTION 27
AUDITORY 27
SOMATOSENSORY 31
MOTOR 34
VISUAL 36
EPILEPSY 38
SPREADING CORTICAL DEPRESSION (SCD) 39
LANGUAGE STUDIES 40
AGING AND ALZHEIMER’S DISEASE (AD) 42
FETAL, NEONATAL AND INFANT SENSORY RECORDINGS 44
CONCLUDING REMARKS 45
REFERENCES 45
Instrumentation: MEG 10
Development of a Whole-Head Child MEG System 53
INTRODUCTION 53
INSTRUMENTATION 53
AUDITORY EVOKED FIELD MEASUREMENT 54
NUMERICAL EXPERIMENT 55
CONCLUSION 56
REFERENCES 56
Characteristics of the Helium Circulation System on the 440 CH Vector Type MEG 57
INTRODUCTION 57
METHODS 57
RESULTS 58
DISCUSSION 60
CONCLUSIONS 60
REFERENCES 60
Correction of Disturbances Caused by Temporary and Continuous Head Movements 61
INTRODUCTION 61
METHODS 61
RESULTS 63
CONCLUSIONS 63
REFERENCES 64
Video-MEG: Integration of Digital Video to MEG Epilepsy Recordings 65
INTRODUCTION 65
MATERIALS AND METHODS 65
DISCUSSION 67
CONCLUSION 67
REFERENCES 67
Demodulated Effect of SQUID to Magnetic Signal Outside Frequency Bandwidth 68
INTRODUCTION 68
SONOMAGNETOMETRY 68
BEHAVIOR IN SQUID TO HIGH-FREQUENCY MAGNETIC SIGNAL 69
CONCLUSIONS 71
REFERENCES 71
Asymmetric Three-Dimensional Finite Element Analysis of a Magnetically Shielded Room with Access Ports 72
INTRODUCTION 72
METHODS 72
RESULTS 74
DISCUSSION 75
CONCLUSIONS 75
REFERENCES 75
Instrumentation: MCG 10
Mapping the Cardiomagnetic Field with 19 Room Temperature Second-Order Gradiometers 76
INTRODUCTION 76
PRINCIPLE 76
EXPERIMENTAL APPARATUS 77
MEASUREMENTS 78
CONCLUSION 79
REFERENCES 79
Towards Clinical MCG with Room-Temperature Sensors 80
INTRODUCTION 80
MATERIALS AND METHODS 80
RESULTS 81
DISCUSSION 82
CONCLUSION 83
REFERENCES 83
Improvement of Small-Channel MCG System for Unshielded Environment 84
INTRODUCTION 84
PROBLEM SOLVED 84
COMPARISON OF CHANNELS 84
SYNTHESIS OF LOGICAL CHANNELS 85
SIGNAL DE-NOISING BY PCA METHOD 85
CALCULATION OF LEAD FIELDS (LF) 86
CONCLUSIONS 86
REFERENCES 87
Instrumentation: Multi-modal Integration - MEG, Low-Field MRI, EEG, fMRI, TMS, NIRS 11
Magnetoresistive Hybrid Sensors for Simultaneous Low-Field MRI and Biomagnetic Measurements 88
INTRODUCTION 88
METHODS 88
RESULTS 90
DISCUSSION 90
CONCLUSIONS 91
REFERENCES 91
Safety in Simultaneous Ultra-Low-Field MRI and MEG: Forces Exerted on Magnetizable Objects by Magnetic Fields 92
INTRODUCTION 92
METHODS 92
RESULTS 95
CONCLUSION 95
REFERENCES 95
Hybrid MEG-MRI: Geometry and Time Course of Magnetic Fields Inside a Magnetically Shielded Room 96
INTRODUCTION 96
THEORY 96
RESULTS 98
CONCLUSION 98
DISCUSSION 99
REFERENCES 99
Magnetic Resonance Relaxometry at Low and Ultra Low Fields 100
INTRODUCTION 100
METHODS AND INSTRUMENTS 101
APPLICATIONS AND RESULTS 102
CONCLUSIONS 104
REFERENCES 105
Characterizing Cerebral and Extracerebral Components in TMS-Evoked Near-Infrared Spectroscopy Signals 106
INTRODUCTION 106
MATERIALS AND METHODS 106
RESULTS 108
DISCUSSION 108
CONCLUSIONS 109
REFERENCES 109
Real-Time Spatial Localization System of Brain Regions for TMS Application by Co-registration with fMRI 110
INTRODUCTION 110
MATRIALS, METHODS AND RESULTS 110
CONCLUSION 113
REFERENCES 113
Multimodal Integration: Constraining MEG Localization with EEG and fMRI 115
INTRODUCTION 115
A PARAMETRIC EMPIRICAL BAYESIAN FRAMEWORK 116
SYMMETRICAL FUSION OF MEG AND EEG 116
ASYMMETRICAL FUSION OF MEG AND FMRI 117
CONCLUSIONS 118
REFERENCES 118
MEG Modeling and Spatio-temporal Source Localization 11
Academic Software Toolboxes for the Analysis of MEG Data 119
BRAINSTORM 119
EEGLAB 120
FIELDTRIP TOOLBOX FOR EEG/MEG ANALYSIS 120
MNE SOFTWARE 120
NUTMEG 121
OPENMEEG 121
SIMBIO 121
STATISTICAL PARAMETRIC MAPPING FOR MEG AND EEG 122
CONCLUSIONS 122
The Adjoint Method for General EEG and MEG Sensor-Based Lead Field Equations 123
INTRODUCTION 123
THE ADJOINT METHOD 124
APPLICATION TO M/EEG LEADFIELDS 124
INCORPORATING SENSOR GEOMETRY 125
RESULTS 126
CONCLUSION 126
REFERENCES 126
The Symmetric BEM: Bringing in More Variables for Better Accuracy 127
INTRODUCTION 127
GREEN REPRESENTATION 127
FORWARD EEG AND MEG 128
NUMERICAL RESULTS 130
DISSEMINATION 130
CONCLUSION 130
REFERENCES 130
From Classical to Bayesian Estimators in the Interpretation of MEG and EEG 131
INTRODUCTION 131
NOTATION AND BASIC CONCEPTS 131
LINEAR OBSERVATION MODEL AND CLASSICAL ESTIMATORS 131
MINIMUM MSE ESTIMATORS WITH PRIOR KNOWLEDGE 132
BAYESIAN APPROACH TO ESTIMATORS 133
EXAMPLE WITH SIMULATED MEG DATA 134
CONCLUSION 134
REFERENCES 134
Skull Thickness versus Mesh Density — A Study on BEM Discretization Error 135
INTRODUCTION 135
METHODS 135
RESULTS 136
DISCUSSION 136
CONCLUSIONS 137
REFERENCES 137
Domain Decomposition for Coupling Finite and Boundary Element Methods in EEG 138
INTRODUCTION 138
THE SYMMETRIC BEM, THE IMPLICIT FEM AND COUPLING FORMULATIONS 138
NUMERICAL RESULTS 140
CONCLUSION 140
REFERENCES 141
Multi-condition M/EEG Inverse Modeling with Sparsity Assumptions: How to Estimate What Is Common and What Is Specific in Multiple Experimental Conditions 142
Introduction 142
Method 142
Simulation study 143
Conclusion 145
REFERENCES 145
MEG-Clinic: A Comprehensive Software Solution for Routine MEG Analysis 146
INTRODUCTION 146
METHODS 146
CONCLUSION 149
REFERENCES 149
MEG-SIM Portal: Reconstructions from Realistic Simulations of Sensory and Cognitive Processing 150
INTRODUCTION 150
METHODS 150
RESULTS 152
DISCUSSION 153
REFERENCES 153
Time-Frequency Source Estimation from MEG Data 154
Introduction 154
Methods 154
Results 156
Conclusions 157
REFERENCES 157
Array-Gain Constraint Minimum-Norm Spatial Filter with Recursively Updated Gram Matrix for Biomagnetic Source Reconstruction 158
INTRODUCTION 158
SPATIAL FILTER FORMULATION 158
PROPOSED SPATIAL FILTER 159
EXPERIMENTS 159
REFERENCES 161
Multiple Constrained Minimum-Variance Beamformers for Reconstruction of Induced and Evoked Neural Activity 162
INTRODUCTION 162
METHODS 162
NUMERICAL EXAMPLES 164
RESULTS AND CONCLUSIONS 165
REFERENCES 165
Speeding-Up MEG Beamforming Source Imaging by Correlation between Measurement and Lead-Field Vector 166
INTRODUCTION 166
METHODS 166
RESULTS 167
CONCLUSIONS 169
REFERENCES 169
A Method for MEG Data That Obtains Linearly-Constrained Minimum-Variance Beamformer Solution by Minimum-Norm Least-Squares Method 170
INTRODUCTION 170
LINEARLY-CONSTRAINED MINIMUM-VARIANCE BEAMFORMER 170
MINIMUM-NORM LEAST-SQUARES BEAMFORMER 171
CONCLUSIONS 172
REFERENCES 172
Current Dipole Estimation in MEG by Spatial Interpolation of Magnetic Sensors 173
INTRODUCTION 173
METHODS 174
RESULTS AND DISCUSSION 175
CONCLUSIONS 175
REFERENCES 176
The Compressible Estimate (CE) of MEG Current Sources 177
INTRODUCTION 177
METHODS 177
RESULTS 179
CONCLUSIONS 180
REFERENCES 180
Single-Trial Analysis for Empirical MEG Data 181
INTRODUCTION 181
METHODS 181
EXPERIMENTS 182
CONCLUSIONS 183
REFERENCES 184
Development of Human Brainwave Simulating Device for Magnetoencephalography and the Corresponding Dipole Localization Study 185
INTRODUCTION 185
METHODS 185
EXPERIMENTAL SETUP 187
RESULTS 187
CONCLUSIONS 188
REFERENCES 188
Neural Signal Processing 12
MEG Virtual Channel Methods for Movement Prediction and Training 189
INTRODUCTION 189
METHODS 189
RESULTS 191
DISCUSSION 192
REFERENCES 192
An Algebraic Method for Eye Blink Artifacts Detection in Single Channel EEG Recordings 193
PROBLEM DESCRIPTION 193
DESCRIPTION OF OUR APPROACH 194
RESULTS AND CONCLUSION 194
REFERENCES 196
Relevant Observations for Averaging Stimulus Evoked Magnetic Fields across Trials and across Subjects 197
INTRODUCTION 197
MATERIALS AND METHODS 197
RESULTS 198
DISCUSSION 199
CONCLUSIONS 200
REFERENCES 200
Quantification of the Time and Frequency Signatures of Visual Cortical Activation in the Developing Brain: A Study with MEG and Wave-Cross Spectrogram 201
INTRODUCTION 201
SUBJECTS AND METHODS 201
RESULTS 203
DISCUSSION 203
CONCLUSION 204
REFERENCES 204
Cluster-Based Algorithm for ROI Analysis and Cognitive State Decoding Using Single-Trial Source MEG Data 205
INTRODUCTION 205
METHODS 205
RESULTS 206
DISCUSSION 208
REFERENCES 208
Decoding Subjective Simultaneity from Neuromagnetic Signals 209
INTRODUCTION 209
METHODS 209
RESULTS AND DISCUSSIONS 210
CONCLUSION 212
REFERENCES 212
Functional Connectivity of the Brain 13
Methods for Determination of Functional Connectivity in Brain 213
INTRODUCTION 213
BIVARIATE MEASURES OF CONNECTIVITY 213
GRANGER CAUSALITY AND GRANGER CAUSALITY INDEX 214
MULTIVARIATE ESTIMATORS OF DIRECTEDNESS 214
ESTIMATORS OF DYNAMICAL PROPAGATION 215
REFERENCES 216
Estimating Directions of Information Flow between Cortical Activities Using Phase-Slope Index 217
INTRODUCTION 217
SOURCE PSI ANALYSIS 217
APPLICATION TO HAND-MOTOR MEG DATA 218
REFERENCES 220
Estimating Causality Measures from Reconstructed Source Time Courses When Large Background Activities Exist 221
INTRODUCTION 221
METHOD 221
NUMERICAL EXPERIMENTS 223
REFERENCES 224
Constructing Surrogate Data to Control for Artifacts of Volume Conduction for Functional Connectivity Measures 225
INTRODUCTION 225
METHOD 225
APPLICATIONS 226
DISCUSSION 228
REFERENCES 228
Neural Oscillations 13
MEG Detects Alpha-Power Modulations in Pulvinar 229
INTRODUCTION 229
MATERIALS AND METHODS 229
RESULTS 231
DISCUSSION 232
CONCLUSIONS 232
REFERENCES 232
Characterization of Spontaneous Neuromagnetic Brain Rhythms Using Independent Component Analysis of Short-Time Fourier Transforms 233
INTRODUCTION 233
MATERIALS AND METHODS 233
RESULTS 235
DISCUSSION AND CONCLUSION 235
REFERENCES 236
Prestimulus Oscillatory Brain Activity Influences the Perception of the McGurk Effect 237
INTRODUCTION 237
METHODS 237
RESULTS 238
DISCUSSION 239
CONCLUSIONS 240
REFERENCES 240
Relating Motor Cortical Oscillations to Motor .-Aminobutyric Acid (GABA) 241
INTRODUCTION 241
METHODS 241
RESULTS 242
CONCLUSIONS 243
REFERENCES 244
Fetal and Neonatal Biomagnetism 13
Connectivity in the Human Fetal Brain 245
INTRODUCTION 245
MATERIALS AND METODS 245
RESULTS 245
CONCLUSION 247
REFERENCES 247
Electrical Brain Function of Prematurely Born Babies 248
INTRODUCTION 248
MERGER OF HUMAN AND ANIMAL STUDIES 248
HUMAN HISTOLOGY AND EEG 250
CONCLUSIONS 250
REFERENCES 251
Early Development of Sensory Systems in Prematurely Born Babies 252
INTRODUCTION 252
CLINICAL STATUS PRESENCE 252
STRUCTURAL DEVELOPMENT 252
RECENT STUDIES 252
CONCLUSION 254
REFERENCES 254
Maturation of the Cortical Somatosensory Processing as Studied by MEG 256
INTRODUCTION 256
MATERIALS AND METHODS 256
RESULTS 257
DISCUSSION 258
CONCLUSIONS 258
REFERENCES 258
Pediatric CNS Pathophysiology 260
AUTISM SPECTRUM DISORDERS 260
DOWN SYNDROME (RIBARY AND VIRJI-BABUL AND COLLEAGUES) 262
EPILEPSY (FURLONG AND COLLEAGUES) 262
CONCLUSIONS 263
REFERENCES 263
Fetal Development Assessed by Self-Organization Indices 264
INTRODUCTION 264
FETAL DEVELOPMENT AND SELF-ORGANIZATION 264
METHODS 265
CONCLUSIONS 266
REFERENCES 267
Altered Long-Range Phase Synchronization and Cortical Activation in Children Born Very Preterm 268
INTRODUCTION 268
METHODS 268
RESULTS 269
DISCUSSION 270
CONCLUSIONS 271
REFERENCES 271
The Frequency Profile of Somatosensory Evoked Magnetic Fields in the Developing Brain 272
INTRODUCTION 272
MATERIAL AND METHODS 272
RESULTS 273
DISCUSSION 274
CONCLUSIONS 274
REFERENCES 275
Detecting Gross Fetal Movements Using Fetal Magnetocardiography 276
INTRODUCTION 276
METHODS 276
RESULTS 278
DISCUSSION 278
CONCLUSIONS 279
REFERENCES 279
Fetal Maternal Heart Rate Entrainment under Controlled Maternal Breathing 280
INTRODUCTION 280
METHODS 280
RESULTS 281
DISCUSSION 282
CONCLUSION 283
REFERENCES 283
Magnetomyography Combined with Fetal Magnetocardiography in the Registration of Uterine Contractions 284
INTRODUCTION 284
METHODS 284
RESULTS 286
DISCUSSION 286
CONCLUSIONS 287
REFERENCES 287
Characterizing Fetal Sympatho-Vagal Balance through Multivariate Time-Varying Autoregressive Modeling of Magnetocardiografic Data 288
INTRODUCTION 288
METHODS 289
NUMERICAL EXAMPLES 289
CONCLUSIONS 291
REFERENCES 291
MEG: Sensory Systems 14
Objective Assessments of Bone-Conducted Ultrasonic (BCU) Hearing by Auditory Evoked Fields 292
INTRODUCTION 292
EXPERIMENT I: MMF MEASUREMENTS TO EVALUATE FREQUENCY-DISCRIMINATION CAPABILITY 292
EXPERIMENT II: MMF MEASUREMENTS TO EVALUATE TEMPORAL-RESOLUTION 293
EXPERIMENT III: N1M MEASUREMENTS TO EVALUATE THE DISCRIMINATION CAPABILITY OF MULTI-CHANNEL INPUTS 294
CONCLUSIONS 295
REFERENCES 295
Observing Mismatch Fields from Human Auditory Discrimination of Heavily Damped Frequency Component Adjustments 296
INTRODUCTION 296
METHODS 297
RESULTS 297
DISCUSSION 298
REFERENCES 298
Cortical Dynamics Underlying the Visual Perception of Stationary and Moving Stimuli 300
INTRODUCTION 300
METHODS 300
RESULTS 301
DISCUSSION 303
REFERENCES 303
Neural Interactions between Dorsal and Ventral Visual Subsystems While Perceiving 3-D Structure from 2-D Motion 304
INTRODUCTION 304
METHODS 304
RESULTS 305
DISCUSSION 306
CONCLUSION 307
REFERENCES 307
Objective Detection of the Flicker Fusion Threshold with Pupil Diameter and Visual Evoked Magnetic Field 308
INTRODUCTION 308
METHODS 308
RESULTS AND DISCUSSION 309
CONCLUSIONS 311
REFERENCES 311
Effects of Adaptation on Visual Sensitivity and MEG Responses to the Envelope of AM Flicker 312
INTRODUCTION 312
DETECTION THRESHOLD 313
MEG RESPONSES 314
DISCUSSION 314
REFERENCES 315
Long-Range Coupling of Prefrontal Cortex and Visual (MT) or Polysensory (STP) Cortical Areas in Motion Perception 316
INTRODUCTION 316
MATERIALS AND METHODS 316
RESULTS 318
CONCLUSIONS 319
REFERENCES 319
In Search of Neural Signatures of Visual Binding : A MEG/SSVEF Study 320
INTROCUCTION 320
MATERIAL AND METHODS 320
RESULTS 321
DISCUSSION 323
REFERENCES 323
Repeatability of AEF and SEF from Static and Moving Head Positions 324
INTRODUCTION 324
METHODS 324
RESULTS 325
CONCLUSIONS 327
REFERENCES 327
Functional Motor Mapping Using Corticokinetic Coherence 328
INTRODUCTION 328
MATERIALS AND METHODS 328
RESULTS 330
DISCUSSION 331
CONCLUSION 331
REFERENCES 331
Neurocognition 15
Face Processing in Children: Novel MEG Findings 332
INTRODUCTION 332
METHODS 333
RESULTS 333
DISCUSSION 334
CONCLUSIONS 335
REFERENCES 335
Bottom-Up and Top-Down Driven Attentional Effects on Auditory Evoked Fields 336
INTRODUCTION 336
MATERIALS AND METHODS 336
RESULTS 338
DISCUSSION 338
CONCLUSIONS 339
REFERENCES 339
Attention and Processing of Relevant Visual Information While Simulated Driving: a MEG Study 340
INTRODUCTION 340
MATERIALS AND METHODS 341
RESULTS 341
DISCUSSION 342
REFERENCES 343
Temporal Dissection of Stimulus-Driven and Task-Driven Processes during Perceptual Decision about 3D SFM Stimuli 344
INTRODUCTION 344
MATERIALS AND METHODS 344
RESULTS 345
DISCUSSION 346
CONCLUSIONS 347
REFERENCES 347
MEG Study of Amygdala Responses during the Perception of Emotional Faces and Gaze 348
INTRODUCTION 348
MATERIALS AND METHODS 348
RESULTS 350
DISCUSSION 351
CONCLUSIONS 351
REFERENCES 351
Dynamic Brain Responses to Semantic Incongruencies in the Visually Presented Language Streams 352
INTRODUCTION 352
METOHDS 352
RESULTS 353
DISCUSSION 353
CONCLUSION 355
REFERENCES 355
Time Course and Neural Network for Comparing Written and Spoken Words: A MEG and DTI Study 356
INTRODUCTION 356
MATERIALS AND METHODS 356
RESULTS 357
DISCUSSION 359
CONCLUSIONS 359
REFERENCES 359
Neuronal Effects of the SpeechEasy Treatment for Stuttering 360
INTRODUCTION 360
METHODS 360
RESULTS 362
DISCUSSION 363
CONCLUSIONS 363
REFERENCES 363
MEG Detection of Attention and Memory Processes in Individuals with Dyslexia 364
INTRODUCTION 364
METHODS 364
RESULTS 365
DISCUSSION 367
CONCLUSION 367
REFERENCES 367
Oscillatory Activity in Prefrontal Cortex during Implicit Letter-Location Binding 368
INTRODUCTION 368
MATERIALS AND METHODS 369
RESULTS 370
DISCUSSION 371
CONCLUSSIONS 371
REFERENCES 371
Spectral Power of Brain Activity Associated with Emotion — A Pilot MEG Study 372
INTRODUCTION 372
METHODS 372
RESULTS 373
CONCLUSIONS 374
REFERENCES 375
Fair Play in the Brain – Cortical Activity in Response to Fair and Unfair Offers of a Fictitious Partner in a Gambling Design 376
INTRODUCTION 376
METHODS 376
RESULTS 378
CONCLUSIONS 378
REFERENCES 378
MEG: Brain-Computer Interface 16
rtMEG: A Real-Time Software Toolbox for Brain-Machine Interfaces Using Magnetoencephelography 380
INTRODUCTION 380
METHODS 380
CONCLUSIONS 382
REFERENCES 383
Source Space Based Brain Computer Interface 384
INTRODUCTION 384
METHODS 384
EXPERIMENT AND PERFORMANCE EVALUATION 385
RESULTS 386
CONCLUSTION 387
DISCUSSION 387
REFERENCES 387
Exploiting Prior Neurophysiological Knowledge to Improve Brain Computer Interface Performance 388
INTRODUCTION 388
BACKGROUND 388
METHODOLOGY 389
RESULTS 390
CONCLUSION 391
REFERENCES 391
MEG: Clinical Applications 16
Neural Dynamics of Alcohol Effects on Cognitive Control: Eriksen Flanker Task 392
INTRODUCTION 392
METHODS 392
RESULTS 393
CONCLUSIONS 395
REFERENCES 395
From Auditory Change Detection to Reading and Word Processing: Impairments in Children with Intractable Epilepsy 396
INTRODUCTION 396
METHODS 396
RESULTS 397
CONCLUSIONS 397
REFERENCES 397
Hemispheric Differences in Neural Activation during Gaze Cueing in Autism Spectrum Disorder (ASD) Measured by Magnetoencephalography (MEG) 399
INTRODUCTION 399
METHODS 400
RESULTS 400
DISCUSSION 402
CONCLUSION 402
REFERENCES 402
Cortico-Motor Coherence during Deep Brain Stimulation for Parkinson's Disease 403
INTRODUCTION 403
METHODS 404
RESULTS 404
DISCUSSION 406
REFERENCES 406
MEG Slow Wave Dipole Density (SWDD) in Presurgical Evaluation of Epilepsy Patients: Preliminary Results of a Prospective Study 407
INTRODUCTION 407
METHODS 407
RESULTS 408
DISCUSSION 409
CONCLUSIONS 410
REFERENCES 410
Brain Network Connectivity Dynamics during Voluntary Finger Movement in Right Handed Adults with Down Syndrome: Evidence for Contralateral and Ipsilateral Dominance 411
INTRODUCTION 411
METHODS 411
RESULTS 412
DISCUSSION 414
REFERENCES 414
White Matter Abnormalities in Children with Temporal Lobe Epilepsy: A DTI and MEG Study 415
INTRODUCTION 415
MATERIALS AND METHODS 415
RESULTS 417
DISCUSSION 417
CONCLUSIONS 418
REFERENCES 418
Obtaining Auditory M100 Responses: Success Rates in Children with Autism Spectrum Disorders 419
INTRODUCTION 419
METHODS 420
RESULTS 420
DISCUSSION 421
REFERENCES 422
Early ERF Responses to Final Words in a Sentence Context during Reading in Individuals with Autism Spectrum Disorders: An MEG Study 423
INTRODUCTION 423
METHODS 423
RESULTS 424
DISCUSSION 426
CONCLUSIONS 426
REFERENCES 426
MEG Abnormalities in Creutzfeldt-Jakob Disease, a Case Report 427
INTRODUCTION 427
MATERIAL AND METHODS 427
RESULTS 428
DISCUSSION 429
CONCLUSION 430
REFERENCES 430
MCG: Modeling and Clinical Applications 17
Nondipolar Content of Cardiac Magnetic Field Maps in Patients after ST Elevation Myocardial Infarction 431
INTRODUCTION 431
METHODS 431
RESULTS 432
DISCUSSION 433
CONCLUSIONS 434
REFERENCES 434
Magnetic Reconstruction of Circulating Excitation 435
INTRODUCTION 435
MATERIALS AND METHODS 435
RESULTS 436
CONCLUSIONS 437
REFERENCES 437
Comparison of Cardiac Activation Models Using 3D MCG Data 438
INTRODUCTION 438
METHODS 438
RESULTS 439
DISCUSSION 440
CONCLUSIONS 441
REFERENCES 441
Development of Pattern Recognition Method for Diagnosis of Myocardial Ischemia and Noncoronarogenic Myocardial Diseases Based on Current Density Distribution Maps 442
BACKGROUND 442
NON-FORMAL DESCRIPTION OF TYPES OF CDD MAPS 442
METHOD OF PATTERN RECOGNITION 443
CONCLUSIONS 445
REFERENCES 445
Evaluation of Electrophysiological Alteration Created by Local Autonomic Dysfunction Using Magnetocardiography 446
INTRODUCTION 446
MATERIALS AND METHODS 446
RESULTS 447
DISCUSSION 447
REFERENCES 448
Magnetocardiography Study of Cardiac Anomalies 449
INTRODUCTION 449
THE FOUR CHANNEL MCG SYSTEM 449
EXPERIMENTAL 450
RESULTS AND DISCUSSIONS 450
CONCLUSIONS 452
REFERENCES 453
Magnetic Field Map Orientation in Patients after ST Elevation Myocardial Infarction 454
INTRODUCTION 454
METHODS 454
RESULTS 455
DISCUSSION 456
CONCLUSIONS 457
REFERENCES 457
Biosusceptometry, Nanoparticles and Effects of Magnetic Fields 18
AC Biosusceptometry as a Tool for Monitoring the Gastrointestinal Transit of Multiparticulate Drug Delivery System 458
INTRODUCTION 458
EXPERIMENTAL METHODS 458
RESULTS AND DISCUSSION 459
CONCLUSION 460
REFERENCES 460
A New Technique for Magnetic Nanoparticle Imaging Using Magnetoencephalography Frequency Data 461
INTRODUCTION 461
METHODS 462
RESULTS 462
DISCUSSION 463
CONCLUSIONS 464
REFERENCES 464
Magnetic Detection of the Sentinel Lymph Node in Ex Vivo Tissue with Colorectal Cancer 465
INTRODUCTION 465
METHODS 466
RESULTS 467
DISCUSSION AND CONCLUSION 467
REFERENCES 467
Effects of Magnetic Fields on Nervous Cells 468
INTRODUCTION 468
MATERIALS AND METHODS 468
RESULTS 469
CONCLUSIONS 470
REFERENCES 471
Author Index 472