Neurosurgery

F. H. LOPES DA SlLVA

Section Neurobiology, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands

With 3 Figures

Contents

Abstract 51

Introduction 52

Some Basic Notions: From Applied Physics to Biophysics 53

Clinical Applications of MEG in a Neurosurgical Setting 54

Magnetic Functional Source Imaging of the Sensorimotor Strip 55

Functional Localization of Somatosensory Cortex 55

Functional Localization of Motor Cortex 57

Comparison Between MEG and fMRI Regarding the Functional Localization of Somatomotor Cortex 57

MEG in Epilepsy: Identification of Epileptiform Inter-Ictal Foci 59

Functional Localization of Speech Relevant Brain Areas 61

Discussion and Future Developments 63

References 64

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