The leading clinical reference on the diagnosis and treatment of movement disorders! Featuring contributions from more than 50 leaders in the field, the Second Edition has been revised to incorporate the latest genetic information and is the most current reference available. Movement disorders, which include Parkinson's and Alzheimer's are in a specialty of neurology which is currently changing rapidly due to the influx of investigative money. The molecular foundation of the current treatments is discussed with a focus on genetics. This is the area were research has yielded the most change in treatment of these diseases.