Learn about dementia and Alzheimer's disease in this 44-minute physician grand rounds presentation by Dr. Selden Spencer, a neurologist from McFarland Clinic. Explore definitions, case histories, and the interplay of variables leading to dementia. Examine the domains of cognitive function, compare presenile and senile dementia, and understand the importance of early detection. Discover the role of biomarkers, genes, and pathophysiology in Alzheimer's disease. Investigate the connection between sleep and dementia, and learn about the potential link between herpes simplex virus infection and cognitive decline.