Clinical Magnetoencephalography and Magnetic Source Imaging

di Papanicolaou • 2009 • dettagli prodotto

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DESCRIZIONE

This is the first volume to explore the field of clinical magnetoencephalography (MEG) and magnetic source imaging (MSI), the techniques measuring the magnetic fields generated by neuronal activity in the brain. Describing the empirical knowledge gained during the last two decades, this book will serve as a basis for the training of clinicians and scientists entering this new and exciting field. The book covers the methods for recording MEG and performing MSI in a clinical setting and includes practical examples of data collection and analysis. It explains why MEG should be used in the evaluation and treatment of patients being considered for epilepsy surgery, concluding with a section describing the potential for future applications of these methods. This is essential reading for graduate students in clinical neuroscience, residents in neurology and psychiatry, neuroradiology and neurosurgery, specialists in neurophysiology and epilepsy, and clinicians in a wide range of related brain sciences.Table of Contents PrefacePart I. The Method: 1. Basic concepts2. The nature and origin of magnetic signals3. Recording the magnetic flux4. Overview of MSI using the single equivalent current dipole (ECD) model as an example5. The fundamental problems of MSI6. Head models7. Source models - discrete source models8. Source models - distributed source models9. Source models - beamformers10. Pragmatic features of the clinical use of MEG/MSIReferencesPart II. Spontaneous Brain Activity: 11. MEG recordings of spontaneous brain activity - general considerations12. Normal spontaneous MEG frequently encountered artefacts13. Spontaneous MEG morphology14. Abnormal spontaneous MEG15. Contributions of MEG to the surgical management of epilepsy - general considerations16. MEG investigations in lesional epilepsies17. MEG investigations in nonlesional epilepsies18. Pediatric nonlesional epilepsy surgeryReferencesPart III. Evoked Magnetic Fields: 19. Recording evoked magnetic fields (EMFs)20. Somatosensory evoked fields (SEFs)21. Movement-related magnetic fields (MRFs) - motor evoked fields (MEFs)22. Auditory evoked magnetic fields (AEFs)23. Visual evoked magnetic fields (VEFs)24. Language-related brain magnetic fields (LRFs)25. Alternative techniques for evoked magnetic field data - future directionsReferencesPostscript: Future applications of clinical MEGOverviewNormal aging and neurodegenerative disordersNeurodevelopmental disordersPsychiatric disordersNeurological disordersFunctional reorganizationReferencesIndex