Book excerpt: The leading clinical reference on the diagnosis and treatment of movement disorders! A Doody's Core Title! Praise for the First Edition:--"This instructive text will serve as a reference for specialists in the care of patients with these disorders and for general neurologists and others to whom a patient with Stiff-Person syndrome or Wilson's disease is a rarity. The emphasis on the neuroscientific basis for the disorders presented and their study and treatment will also make the book academically useful....This excellent and timely book will provide a valuable resource for those involved in the academic and clinical aspects of movement disorders. 5 STARS!"--Doody's Review Service 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.