Provides 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. It emphasizes the clinical applications of each electrodiagnostic technique, providing state-of-the-art guidance for both non-specialists and specialists. Also discusses the principles, scope, limitations, diagnostic importance, prognostic relevance, and complications for each technique and clarifies the technical and practical aspects of electrodiagnostic tests with over 700 charts, figures, and tables.