Six-Item Screener to Identify Cognitive Impairment Among Potential Subjects for Clinical Research

To design a brief cognitive screener with acceptable sensitivity and specificity for identifying subjects with cognitive impairment.

Cohort one is assembled from a community-based survey coupled with a second-stage diagnostic evaluation using formal diagnostic criteria for dementia. Cohort two is assembled from referrals to a specialty clinic for dementing disorders that completed the same diagnostic evaluation.