The daily life impact of movement disorders on people affected ranges from the inconvenient to major quality of life issues, depending upon the disorder and its progression. Topics in this issue of Neurologic Clinics address: Pathogenic Nechanisms of Neurodegeneration in Parkinson's Disease; Treatment Strategies in Early and Advanced Parkinson's Disease; Atypical Parkinsonism; Medical and Surgical Treatment of Tremors; Diagnosis and Treatment of Dystonia;...