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3
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Workshop on Biomagnetic Instrumentation
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7
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Reference noise cancellation: Optimizations and Caveats
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11
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Positioning of MCG Measurement Equipment
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15
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A Low-Noise, Integrated DC SQUID Magnetometer for Applications in Biomagnetism
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20
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Magnetocardiograms Recorded by First-Order Gradiometers Using HTS rf SQUIDs
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24
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A Realtime, High-Bandwidth, Programmable Digital Signal-Processing System for Monitoring, Acquisition, Filtering, and Archival Storage of Biomagnetic Signals
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28
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Magnetic Measurement Techniques for Locating Foreign Bodies in Humans
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32
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Optimisation of Co-Registration Procedures for Biomagnetic Measurements Using a Thermoplastic Mask
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35
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Design of a Magnetically Shielded Room for Development of HTS SQUID Systems for Magnetocardiography
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39
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A Digital-Signal-Processor (DSP) Flux-Locked-Loop (FLL) for LTC SQUIDs with Automatic Reset and Feedback Cancellation
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43
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A 32-Channel MCG System Cooled by a GM/JT Cryocooler
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47
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A Cryocooled SQUID System with Minimal Clearance Between the Pick-up Coil and the Specimen
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51
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A Comparison of Vector and Radial Magnetometer Arrays for Whole-Head Magnetoencephalography
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55
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32 Channel High Tc SQUID System for Biomagnetism
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59
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Source Detectability for Multichannel Biomagnetic Sensors
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63
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A Digital Flux-Locked Loop for High Temperature SQUID Magnetometer and Gradiometer Systems with Field Cancellation
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67
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Characterisation of a Planar Second-Order Gradiometer in a Lightly Shielded Environment
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71
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Magnetic Field Error of a Current Dipole in a Superconducting Shield
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75
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High Tc Superconducting Shielded Biomagnetometer System
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79
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Current Dipole Localization Errors as a Function of the System Noise and the Number of Sensors
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83
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Auditory Brainstem Evoked Fields Measured in a High Tc Superconducting Shield
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87
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High Performance Magnetically Shielded Room for Clinical Measurements
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91
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An AC Susceptometer with a Large Magnetised Volume for Biological Samples
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95
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A Six-Channel SQUID Biomagnetometer Optimised for Fetal Magnetocardiography
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99
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High Temperature Superconducting Quantum Interference Devices in a Superconductor-Normal-Superconductor Geometry
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103
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A Digital SQUID Controller for Unshielded Biomagnetic Measurements
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107
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Investigation of the Thin Film SQUIDs Using Double Layer Model of the Secondary Sources
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110
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DC-MEG Studies: Development of Techniques for Resolving DC Fields
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114
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Development of a 61-Channel MEG System Cooled by a GM/JT Cryocooler
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118
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Low-Noise, Single Layer YBa<Subscript>2</Subscript>Cu<Subscript>3</Subscript>O<Subscript>7−δ</Subscript> DC SQUID Magnetometers for Shielded and Unshielded Operation
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122
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The Use of Software Magnetometers for Ambient Magnetic Noise Cancellation in Unshielded Environment
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126
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The Use of a Current Feedback Loop for Active Compensation of Magnetic Noise in Superconducting Magnetocardiograph
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130
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A Skull-Based Multiple Dipole Phantom for EEG and MEG Studies
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134
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High-T<Subscript>c</Subscript> SQUID Gradiometers for Magnetocardiography in an Unshielded Environment
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138
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143 Channel Whole-Cortex MEG System
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142
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SEFs from the Human Spinal Cord using a Novel Second Order Planar Gradiometer
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146
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High-T<Subscript>c</Subscript> Superconducting rf Receiver Coils for High Resolution Magnetic Resonance Imaging of the Spine
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150
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3-D Magnetic Field Analysis of a Magnetically Shielded Room for Biomagnetic Measurements
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154
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A 129-channel Vector Neuromagnetic Imaging System
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158
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Magnetocardiography Using SQUIDs Cooled by Liquid Nitrogen
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163
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Comparison between different approaches to the biomagnetic inverse problem — workshop report
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177
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Distributed Source Reconstruction Using a Non-Linear Spatio-Temporal Regularization Method: An Alternative to LORETA
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181
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Localization of Extended Sources Using a Modified Linear Estimation Approach
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185
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Inverse Magnetography for Reentry Currents
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189
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Frequency Domain Distributed Inverse Solutions
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193
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Small Volume Resistivity Changes Observed Using MEG
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197
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A Weighting Matrix to Remove Depth Bias in the Linear Biomagnetic Inverse Problem with Application to Cardiology
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201
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Imaging Properties of “Myocardial Current Imaging”
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205
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Practicability of Neuromagnetic Source Analysis Using the Finite Element Method
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209
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A Numerically Stable Approximation for the Magnetic Field of the Conducting Spheroid Close to the Symmetry Axis
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213
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Source Reconstructions by Spatial Deviation Scans
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217
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Generalized Inverse Solution for Bimodal Electro-Magnetic Source Images
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221
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Can Compact Currents Be Uniquely Determined?
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225
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Estimation of Distributed Sources with Adjustable Contrast
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229
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Aspects of Non-Uniqueness: How One Source Affects the Reconstruction of Another
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233
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The Theoretical Basis of Iterative Distributed Solutions to the Biomagnetic Inverse Problem
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237
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Anatomically Constrained vs Unconstrained Dipole Fit in the Combination of MEG and MRI
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241
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One Effect of a Maximum Possible Current Strength
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245
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Multi-Source Localization in MEG Using Simulated Annealing: Model Order Determination and Parameter Accuracy
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249
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A Three-Dimensional Rule-Assisted Interpolation Algorithm for Iso-Field Mapping of Neuromagnetic Signals
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253
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The Influence of Glial Buffering Currents on Sustained Neuromagnetic Fields
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257
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Magnetic Field Tomography: Theoretical Basis, Performance Measures and Limitations
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261
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Algorithm for Magnetocardiography Analysis Based on Multi Channel SQUID and Thoracic MR Images
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265
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Estimation of Distributed Sources of Auditory Evoked Magnetic Fields in the Human Brain
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270
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A New Approach to the Reconstructing Source Distribution
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274
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A Comparative Study of Minimum Norm Inverse Methods for MEG Imaging
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278
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Development, Implementation and Applications of Single Epoch Analysis of MEG Signals
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282
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Dipole Localization Accuracy as a Function of the Area Covered by the Magnetometer System
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286
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Towards a Standardized Representation of Neuromagnetic Data
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290
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Multiple Current-Dipole Distribution Reconstructed by Modified Selective Minimum-Norm Method
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294
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An Estimation Algorithm of Neuromagnetic Source Using MRI Information
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298
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Realistic Modeling, Analysis and Animated 3D Visualization for MEG Studies
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302
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Subspace Angles: A Metric for Comparisons in EEG and MEG
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306
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Comparison of the Constant and Linear Boundary Element Method for EEG and MEG Forward Modeling
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310
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MEG-Based Imaging of Focal Neuronal Current Sources
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314
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A Four-Sensor Skeleton Configuration for Single Dipole Localization
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318
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The New Methods of Localization and Reconstruction of Biomagnetic Signal Sources
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322
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Effects of Tissue Conductivity Variations on Cardiac Magnetic Fields
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326
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Discrete Spline Electric-Magnetic Tomography (DSPECT) Based on Realistic Neuroanatomy
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330
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Strategy for Objective Comparisons of Inverse Solutions
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334
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A Method for Locating Regions Containing Neural Activation at a Given Confidence Level from MEG Data
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338
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Generalized Wiener Estimation of Three-Dimensional Current Distribution from Biomagnetic Measurements
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342
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Localizing Dipoles: The Correlation Coefficient and the Goodness of Fit in Source Localization of Filtered Noise
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346
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Monte-Carlo Analysis and Confidence Region Ellipsoids for Equivalent Current Dipole Solutions to EEG/MEG data
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350
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Localization of Current Sources with Constraints of Solution Area
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354
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Source Localization by Genetic Algorithm
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358
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Optimization of Conductivity and Permeability Parameters for Brain, CSF, Skull and Scalp Using Implanted Sources in the Human Cranium
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361
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Modeling of Spreading Cortical Depression Using a Realistic Head Model
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365
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A Simulation Study on the Nature of Electrical Sources of the MCG
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369
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Global Optimization in the Localization of Brain Activity
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373
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Variable Resolution Electric-Magnetic Tomography
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377
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Spatio Temporal Distributed Inverse Solutions
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381
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Quantification of Deviations Between Spherical and Realistically Shaped Forward Models
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385
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The Influence of Holes in a Layer with Low Conductivity on the Potential and Magnetic Field
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389
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Estimation of Cardiac Sources on the Epicardium and Endocardium from Simulated and Measured MCG Data
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393
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Current Density Reconstructions Using the L1 Norm
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397
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Modelling Closed Surface Geometry for Skull and Torso Using Snapping
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401
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Locally Refined Head Geometries Used to Evaluate Spherical Model Accuracy
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405
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Mesh Refinement of Boundary Element Head Models in MEG Source Reconstructions
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410
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New Trends in Clinical Magnetocardiography