"This book provides an extensive overview of the current status of knowledge pertaining to cognitive impairment and dementia associated with Parkinson's disease. It is intended as a reference book for general neurologists, neurology residents and those with a special interest in movement disorders. In this edited volume, experts in the field describe, in detail, all aspects of cognitive impairment and dementia in Parkinson's disease, including epidemiology, the spectrum of clinical features, pathology, neurochemistry and genetics, findings in auxiliary investigations, relation to other neurodegenerative disorders, diagnostic process and management. It is rounded-up by discussion of future research directions and expectations. The text is complemented and enriched with tables, figures, and is heavily referenced to capture all relevant literature."--BOOK JACKET.