Symptoms and Diagnosis of Alzheimer's Disease
Find out about the symptoms of Alzheimer's and how the disease is diagnosed.
In the News
Blood test shows promise in predicting presymptomatic disease progression in people at risk of familial Alzheimer's
Some Alzheimer's biomarkers differ by race, NIA-funded study finds
Daytime sleepiness linked to elevated brain amyloid
Learn about biomarkers—measures of what’s happening in the body—used in dementia detection and research, including brain imaging tests such as MRI and PET.
Doctors diagnose dementia—including Alzheimer disease, Lewy body dementia, and frontotemporal dementia—with brain scans and other tests.
Memory problems are typically one of the first signs of Alzheimer's disease. Learn about other common signs of mild, moderate, and severe Alzheimer's.
Learn about mild cognitive impairment (MCI), in which people have more memory problems than normal for people their age., and when it might be time to see a doctor.
Learn how to tell the difference between normal age-related memory loss and signs of a more serious problem like mild cognitive impairment or dementia. Sometimes, forgetfulness is caused by a treatable health condition.
Learn common signs of memory problems that may mean it's time to see a doctor, as well as helpful tips for dealing with forgetfulness.
Doctors can diagnose "possible Alzheimer's dementia," "probable Alzheimer's dementia," or some other problem causing memory complaints. Learn about the benefits of early diagnosis.