This volume provides comprehensive information on Parkinson's disease and related disorders, a group of diseases that are among the most common in the field of neurodegenerative study. Through a high-level presentation of new research regarding these diseases, this handbook will give clinicians and neuroscientists alike a better understanding of the dramatic pharmacological advances made in the management of Parkinson's disease, and the profound observations that have altered the medical community's approach to other degenerative disorders of the nervous system. Practitioners, researchers, and medical personnel will gain exciting insights into recent developments that form the basis for new therapeutic strategies and management protocols for the various neurological disorders that present with Parkinsonism.