Designed to be the definitive resource for both practicing and academic neurologists, as well as clinicians in such areas as cardiology and GI, where autonomic disorders are more prevalent. The user-friendly presentation offers clear information on the neuroscientific basis for testing, normal values, and interpretation of tests. New features to this edition include furthur detail about the role of the central nervous system in autonomic disorders, increased attention on clinical applications, and state-of-the-art laboratory procedures and equipment.