Electric Fields of the Brain: The Neurophysics of EEG

Electric Fields of the Brain: The Neurophysics of EEG

by Paul L. Nunez



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Electric Fields of the Brain: The Neurophysics of EEG by Paul L. Nunez

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. Electrical potentials 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," correlating physiology 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 for using 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 (intermediate scale) 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 for brain source dynamics. The Second Edition is an invaluable resource for neurologists, neuroscientists (especially cognitive neuroscientists), biomedical engineers, and their students and trainees. It will also appeal to physicists, mathematicians, computer scientists, psychiatrists, and industrial engineers interested in EEG.

Product Details

ISBN-13: 9780195027969
Publisher: Oxford University Press, USA
Publication date: 07/23/1981
Pages: 484
Product dimensions: 6.31(w) x 9.31(h) x 1.27(d)

About the Author

Tulane University

University of California, Irvine

Table of Contents

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 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
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 arbitrary location in a volume conductor
D. Derivation of the membrane diffusion equation
page 4 of 4
E. Solutions to the membrane diffusion equation
F. Point source in a five layered plane medium
G. Radial dipole and dipole layer inside concentric spherical shells
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

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