Understanding Alzheimer’s Disease

What is Alzheimer’s Disease?

Alzheimer’s disease is the most common form of dementia. It is a neurological brain disorder named after a German physician, Alois Alzheimer, who first described it in 1906.

Browse this section to learn about the possible causes of Alzheimer’s disease, what happens to the brain as the disease progresses, and what are the risk factors and symptoms.

Dementia vs. Alzheimer's

“What’s the difference between dementia and Alzheimer’s?” We hear that all the time here at the Fisher Center for Alzheimer’s Research Foundation. It’s a common question, and doctors can sometimes contribute to the confusion.

Alzheimer's Diagnosis

There are many reasons why it’s important to seek a doctor’s diagnosis as soon as possible. There are many causes of dementia symptoms, and this may determine how to treat it.

Top Ten Signs of Alzheimer's

See some of the first signs and symptoms of Alzheimer’s disease.

Clinical Trials

Is a clinical trial right for you or your loved one?


Scientific research is helping to inform and improve drug and non-drug approaches to the treatment of Alzheimer’s.

Goals of Treatment

Drug Treatments

Clinical Stages of Alzheimer’s

New York University’s Dr. Barry Reisberg outlines the seven major clinical stages of Alzheimer’s disease. Dr. Reisberg is the Clinical Director of New York University’s Aging and Dementia Research Center.

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