chapter 1 Early Iconography of Parkinson’s Disease / chapter 2 Epidemiology of Parkinsonism / chapter 3 Differential Diagnosis of Parkinsonism / chapter 4 Pathophysiology and Clinical Assessment of Parkinsonian Symptoms and Signs / chapter 5 Nonmotor Symptoms of Parkinson’s Disease / chapter 6 Neuropsychological Aspects of Parkinson’s Disease and Parkinsonian Syndromes / chapter 7 Management of Neurobehavioral Symptoms in Parkinson’s Disease -- chapter 8 Neuroimaging in Parkinson’s Disease / chapter 9 Neuropathology of Parkinsonism / chapter 10 Neurochemistry of Nigral Degeneration / chapter 11 Neurophysiology/Circuitry / chapter 12 Animal Models of Parkinson’s Disease and Related Disorders / chapter 13 Dopamine Receptor Diversity: Anatomy, Function, and Relevance to Parkinson’s Disease / chapter 14 Genetics / chapter 15 Environmental Risk Factors for Parkinson’s Disease / chapter 16 Amantadine and Anticholinergics / chapter 17 Levodopa / chapter 18 Dopamine Agonists / chapter 19 Monoamine Oxidase Inhibitors in Parkinson’s Disease / chapter 20 Catechol-O-Methyltransferase in Parkinson’s Disease / chapter 21 Investigational Pharmacological Treatments for Parkinson’s Disease / chapter 22 Lesion Surgeries / chapter 23 Deep Brain Stimulation in Parkinson’s Disease / chapter 24 Neural Transplantation in Parkinson’s Disease / chapter 25 Parkinson’s Disease Symptom Management: An Interdisciplinary Approach