Autor: Paul L. Nunez
ISBN-13: 9780195050387
Einband: Buch
Seiten: 560
Format: 267x189x43 mm
Sprache: Englisch

Electric Fields of the Brain

The Neurophysics of EEG
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1. The physics-EEG interface ; 2. Fallacies in EEG ; 3. An overview of electromagnetic fields ; 4. Electric fields and currents in biological tissue ; 5. Current sources in a homogeneous and isotropic medium ; 6. Current sources in inhomogeneous and isotropic media ; 7. Recording strategies, reference issues, and dipole localization ; 8. High-resolution EEG ; 9. Measures of EEG dynamic properties ; 10. Spatial-temporal properties of EEG ; 11. Neocortical dynamics, EEG, and cognition ; APPENDICES ; A. Introduction to the calculus of vector fields ; B. Quasi-static reduction of Maxwell's equations ; C. Surface magnetic field due to a dipole at an arbitrary location in a volume conductor ; D. Derivation of the membrane diffusion equation ; E. Solutions to the membrane diffusion equation ; F. Point source in a five layered plane medium ; G. Radial dipole and dipole layer inside the 4-sphere model ; H. Tangential dipole inside concentric spherical shells ; I. Spherical harmonics ; J. The spline Laplacian ; K. Impressed currents and cross-scale relations in volume conductors ; L. Outline of neocortical dynamic global theory
Electroencephalography (EEG) is practiced by neurologists, cognitive neuroscientists, and others interested in functional brain imaging. Whether for clinical or experimental purposes, all studies share a common purpose-to relate scalp potentials to the underlying neurophysiology. Electricalpotentials on the scalp exhibit spatial and temporal patterns that depend on the nature and location of the sources and the way that currents and fields spread through tissue. Because these dynamic patterns are correlated with behavior and cognition, EEG provides a "window on the mind," correlatingphysiology and psychology. This classic and widely acclaimed text, originally published in 1981, filled the large gap between EEG and the physical sciences. It has now been brought completely up to date and will again serve as an invaluable resource for understanding the principles of electric fields in living tissue and forusing hard science to study human consciousness and cognition. No comparable volume exists for it is no easy task to explain the problems of EEG in clear language, with mathematics presented mainly in appendices. Among the many topics covered by the Second Edition are micro and meso (intermediatescale) synaptic sources, electrode placement, choice of reference, volume conduction, power and coherence measures, projection of scalp potentials to dura surface, dynamic signatures of conscious experience, neural networks immersed in global fields of synaptic action, and physiological bases forbrain source dynamics. The Second Edition is an invaluable resource for neurologists, neuroscientists (especially cognitive neuroscientists), biomedical engineers, and theirstudents and trainees. It will also appeal to physicists, mathematicians, computer scientists, psychiatrists, and industrialengineers interested in EEG.

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Autor: Paul L. Nunez
ISBN-13:: 9780195050387
ISBN: 019505038X
Erscheinungsjahr: 01.01.2006
Verlag: Oxford University Press
Gewicht: 1346g
Seiten: 560
Sprache: Englisch
Auflage 06002, 2nd ed
Sonstiges: Buch, 267x189x43 mm, 155 illustrations, 61 halftones