This classic text is widely regarded as the world's definitive and authoritative neurology reference. With state-of-the-art explanations of general neurologic principles and relevant neuroscience, the book provides experience approaches to the diagnosis and management of the full spectrum of neurologic disorders. The 4th edition includes brand-new coverage of mitochondriopathies...channelopathies...neurologic complications of pediatric HIV and AIDS...and much more. It also features 40% new contributors--to ensure that the most advanced and innovative clinical perspectives continue to be well represented. And, like the previous edition, it is supported by a companion web site that presents the entire contents of the printed book in an easily searchable format...continuous content updates...video clips and full-color photos...links to related resources...and links to abstracts for many of its references.