This is the first book in the field to address the underlying biological abnormalities of Dementia in Alzheimer's Disease (DAD) in people with Down syndrome. It brings together research findings relating to the neuropathology, genetics, blood markers and neurophysiology of Alzheimer's disease in older adults with Down syndrome. Down Syndrome and Alzheimer's Disease presents vital information to medical professionals who provide clinical care to people with Alzheimer's disease and Down syndrome. It will also be of great benefit to researchers with an interest in Alzheimer's disease and Down syndrome and academics researching ageing issues in people with Down Syndrome. It complements Alzheimer's Disease and Dementia in Down Syndrome and Intellectual Disabilities by the same author.