Lead Sponsor

Avera McKennan Hospital & University Health Center

Age

50 - 81 years

Sex

ALL

Healthy Volunteers

Yes

•Men and women between the ages of 50 and 81 years old who have a diagnosis of dementia
•Men and women who are at least 18 years old and are biologically related to the study subject with dementia
•Control subjects must not have a diagnosis of dementia and must be matched in age to the study subjects with dementia

•Biological family members of the dementia patient who are either younger than 17 years of age or older than the patient with dementia
•Biological family members with a diagnosis of dementia
•Age-matched control subjects with a diagnosis of dementia