Adaptive Spatial Filters for Electromagnetic Brain Imaging

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Springer Science & Business Media, May 30, 2008 - Technology & Engineering - 245 pages
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Neural activity in the human brain generates coherent synaptic and intracellular currents in cortical columns that create electromagnetic signals which can be measured outside the head using magnetoencephalography (MEG) and electroencephalography (EEG). Electromagnetic brain imaging refers to techniques that reconstruct neural activity from MEG and EEG signals. Electromagnetic brain imaging is unique among functional imaging techniques for its ability to provide spatio-temporal brain activation profiles that reflect not only where the activity occurs in the brain but also when this activity occurs in relation to external and internal cognitive events, as well as to activity in other brain regions. Adaptive spatial filters are powerful algorithms for electromagnetic brain imaging that enable high-fidelity reconstruction of neuronal activity. This book describes the technical advances of adaptive spatial filters for electromagnetic brain imaging by integrating and synthesizing available information and describes various factors that affect its performance. The intended audience include graduate students and researchers interested in the methodological aspects of electromagnetic brain imaging.

 

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Contents

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Page vi - Engineering is the official book series of the International Federation for Medical and Biological Engineering (IFMBE) and the International Organization for Medical Physics (IOMP) IFMBE The...
Page vi - The administrative council of the IFMBE meets once a year and is the steering body for the IFMBE: The council is subject to the rulings of the General Assembly, which meets every three years. Information on the activities of the IFMBE are found on its web site at: http://www.ifmbe.org.
Page 235 - Halgren. E. (2000). Dynamic statistical parametric mapping: Combining fMRI and MEG for high-resolution imaging of cortical activity.
Page 234 - Multiple Dipole Modeling and Localization from SpatioTemporal MEG Data,
Page vi - ... developments in the Federation. Clinical Engineering Update is a publication of our division of Clinical Engineering. The Federation also has a division for Technology Assessment in Health Care. Every three years the IFMBE holds a World Congress on Medical Physics and Biomedical Engineering, organized in cooperation with the IOMP and the IUPESM. In addition, annual, milestone and regional conferences are organized in different regions of the world, such as Asia Pacific, Baltic.
Page 241 - Z. Zhang, A fast method to compute surface potentials generated by dipoles within multilayer anisotropic spheres, Phys.
Page 235 - DG Manolakis, VK Ingle, and SM Kogon, Statistical and Adaptive Signal Processing, McGraw-Hill, New York, 2000.
Page 236 - Miyashita, Y, 2001 , Reconstructing spatio-temporal activities of neural sources using an MEG vector beamformer technique, IEEE Trans.