The New Edition of this respected reference delivers complete, practical guidance on current electrodiagnostic techniques and their clinical applications for investigating problems of both the central and peripheral nervous systems. Completely revised and updated, this 5th Edition provides state-of-the-art knowledge on electroencephalography, electromyography, nerve conduction studies, evoked potentials, polysomnography, and electronystagmography. Emphasizes the clinical applications of each electrodiagnostic technique, providing state-of-the-art guidance for both non-specialists and specialists. Discusses the principles, scope, limitations, diagnostic importance, prognostic relevance, and complications for each technique. Clarifies the technical and practical aspects of electrodiagnostic tests with over 700 charts, figures, and tables. Includes a new chapter on Magnetoencephalography that discusses the use of this newer modality for the evaluation of patients with disorders such as epilepsy. Provides a new chapter on Quantitative Electromyography as well as a new chapter on Neurophysiological Evaluation of Sacral Function that includes new discussions of how to evaluate bladder, bowel, and sexual function. Features revisions and updates to all other existing chapters.