The first authoritative collection of recent breakthroughs in Parkinson's disease (PD) research, this reference spans key findings on the mechanisms of neurodegeneration and the role of specific genes that may lead to improved therapies for PD. This guide will review the major aspects of the disease including motoric and pathologic features, and autonomic dysfunction, sleep disorders, and neuropsychiatric manifestations, as well as provide an in-depth review of genetic considerations. With contributions by recognized experts on the topic, this source will address the pathogenesis, experimental models, future therapeutic opportunities, and research trends affecting the field.