CAAMP is a longitudinal study of cognition and age-related traits in Amish communities across sites in Ohio and Indiana. Of 3,978 participants (mean age 78.6, 59.1% female), 2,928 have adjudicated cognitive status, of whom 66.6% are unimpaired, 9.9% have mild cognitive impairment, 8.9% Alzheimer disease and 4.5% another cognitive impairment. The resource links clinical and cognitive assessment to genealogies, genotyping, whole-genome sequencing and plasma biomarkers.
What you could now answer: A founder population with deep pedigrees and sequencing offers a route to genetic factors in dementia risk and protection.