Preface; Part I. General Aspects: 1. Overview of Parkinson's disease: epidemiology, diagnosis, course, medical and surgical management Sheila S. Rane and Christopher G. Goetz; 2. Parkinson's disease: pathology, anatomy, and behavior James B. Leverenz and Daniel J. Burdick; 3. Genetics and behavior and cognition in Parkinson's disease Caroline H. Williams-Gray and Roger A. Barker; 4. The boundaries of Parkinson's disease dementia and dementia with Lewy bodies Elisabet Londos; Part II. Diagnosis and Biomarkers: 5. Cognitive assessment in Parkinson's disease Jaime Kulisevsky, Saül Martínez-Horta and Javier Pagonabarraga; 6. Clinical assessment: mood and motivation Albert F. G. Leentjens; 7. Imaging and behavior in Parkinson's disease: structural imaging Mona K. Beyer, Turi O. Dalaker and Liana G. Apostolova; 8. Imaging and behavior in Parkinson's disease: functional imaging Agneta Nordberg; 9. Diagnosis and biomarkers: CSF Brit Mollenhauer and Henrik Zetterberg; Part III. Specific Neuropsychiatric Disorders: 10. Depression Per Svenningsson and Dag Aarsland; 11. Anxiety Laura Marsh and Jessica Calleo; 12. Apathy Kathy Dujardin; 13. Impulse control disorder Daniel Weintraub and Irena Rektorova; 14. Hallucinations and psychosis Oscar Bernal-Pacheco and Hubert H. Fernandez; 15. Early cognitive impairment Alexander I. Tröster and Dag Aarsland; 16. Parkinson's disease dementia: features and management Başar Bilgiç, Haşmet A. Hanağasi and Murat Emre; 17. Sleep disturbances Pouya Movahed, Kristina Røkenes Karlsen and K. Ray Chaudhuri; Part IV. Management: 18. Parkinson's disease: drug treatment and behavior Jaime Kulisevsky, Javier Pagonabarraga and Carolina Villa-Bonomo; 19. Surgical treatments and behavior Jens Volkmann and Christine Daniels; 20. Clinical trials for psychotropic agents in Parkinson's diesase using psychosis as a model Ryan R. Walsh and Jeffrey Cummings; Part V. Other Issues: 21. Clinical implications of neuropsychiatric symptoms in Parkinson's disease Angelo Antonini and Pablo Martinez-Martin; 22. Neuropsychiatric and cognitive disorders in other Parkinsonian disorders Adam Gerstenecker, Benjamin T. Mast and Irene Litvan; 23. Neuropsychiatric aspects of the on-off phenomenon Irene Rektorova and Marek Balaz; 24. Treatment of neuropsychiatric disturbances in Parkinson's disease: future prospects and strategies Jeffery Cummings and Dag Aarsland; Index.