A. Basic Diagnostic Principles. 1. Approach to the Patient With a Movement Disorder: Basic Principles of Neurologic Diagnosis / J. Eric Ahlskog. 2. Motor Speech Disorders: Clues to Neurologic Diagnosis / Joseph R. Duffy -- B. Parkinson's Disease. 3. What Is Parkinson's Disease? Neuropathology, Neurochemistry, and Pathophysiology / Howard Hurtig. 4. Clinical Features of Parkinson's Disease / Richard B. Dewey, Jr. 5. Epidemiology and Genetics of Parkinson's Disease / Demetrius M. (Jim) Maraganore. 6. Parkinson's Disease: Etiologic Considerations / Peter A. LeWitt. 7. Medication Strategies for Slowing the Progression of Parkinson's Disease / J. Eric Ahlskog. 8. Initial Symptomatic Treatment of Parkinson's Disease / J. Eric Ahlskog. 9. Advancing Parkinson's Disease and Treatment of Motor Complications / Ryan J. Uitti. 10. Sleep and Parkinson's Disease / Cynthia L. Comella. 11. Autonomic Complications of Parkinson's Disease / Bradley C. Hiner. 12. Treatment of Cognitive Disorders and Depression Associated With Parkinson's Disease / Erwin B. Montgomery, Jr. 13. Surgical Treatment of Parkinson's Disease / Kathleen M. Shannon. 14. Adjunctive Therapies in Parkinson's Disease: Diet, Physical Therapy, and Networking / Padraig E. O'Suilleabhain and Susan M. Murphy -- C. Parkinsonism but Not Parkinson's Disease (Other Akinetic-Rigid Syndromes). 15. Secondary Causes of Parkinsonism / Eric S. Molho and Stewart A. Factor. 16. Progressive Supranuclear Palsy / Mark Stacy. 17. Multiple System Atrophy / James H. Bower. 18. Familial Adult-Onset Spinocerebellar Degenerations / James H. Bower. 19. Corticobasal Degeneration / Bradley F. Boeve. 20. Parkinsonism in Primary Degenerative Dementia / Richard J. Caselli -- D. Movement Disorders Characterized by Excessive Movement (Hyperkinetic). 21. Tremor Disorders: Overview / Joseph Y. Matsumoto. 22. Essential Tremor: Diagnosis and Treatment / Jean Pintar Hubble. 23. Dystonia / Daniel Tarsy. 24. Hemifacial Spasm / Mark F. Lew. 25. Huntington's Disease and Other Choreas / John N. Caviness. 26. Tardive Dyskinesias / Kapil D. Sethi. 27. Myoclonus / John N. Caviness. 28. Spasms and Stiff-man Syndrome / C. Michel Harper, Jr. 29. Gilles de la Tourette's Syndrome and Tic Disorders / Kathleen A. Kujawa and Christopher G. Goetz. 30. Restless Legs Syndrome / Virgilio Gerald H. Evidente and Charles H. Adler. 31. Botulinum Toxin Treatment of Movement Disorders / Charles H. Adler -- E. Other Movement Disorders. 32. Wilson's Disease / Katrina A. Gwinn-Hardy. 33. Gait Disorders: Recognition of Classic Types / Frank A. Rubino. 34. Post-traumatic Movement Disorders / Sotirios A. Parashos. 35. Psychogenic Movement Disorders: Theoretical and Clinical Considerations / David S. Glosser and Matthew B. Stern.