Includes bibliographical references and index.

Basic concepts -- The nature and origin of magnetic signals -- Recording the magnetic flux -- Overview of MSI using the single equivalent current dipole (ECD) model as an example -- The fundamental problems of MSI -- Head models -- Source models : discrete source models -- Source models : distributed source models -- Source models : beamformers -- Pragmatic features of the clinical use of MEG/MSI -- MEG recordings of spontaneous brain activity : general considerations -- Normal spontaneous MEG : frequently encountered artifacts -- Spontaneous MEG morphology -- Abnormal spontaneous MEG -- Contributions of MEG to the surgical management of epilepsy : general considerations -- MEG investigations in lesional epilepsies -- MEG investigations in nonlesional epilepsies -- Pediatric nonlesional epilepsy surgery -- Recording evoked magnetic fields (EMFs) -- Somatosensory evoked fields (SEFs) -- Movement-related magnetic fields (MRFs) : motor evoked fields (MEFs) -- Auditory evoked magnetic fields (AEFs) -- Visual evoked magnetic fields (VEFs) -- Language-related brain magnetic fields (LRFs) -- Alternative techniques for evoked magnetic field data : future directions.