"Version: 20190801"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Parkinson's disease -- 1.1. General -- 1.2. Signs and symptoms -- 1.3. The basal ganglia -- 1.4. Pathophysiology -- 1.5. Risk factors -- 1.6. Animal models -- 1.7. Current treatments -- 1.8. Neuroprotection and future treatments2. The ru…