Representative sample of person 30 years of age or older residing in Long Beach, or in nearby cities within Los Angeles, Riverside, San Bernadino, and Orange counties.
Data Collection Event
Sixth follow-up of participants. Measures: Memory, Working memory,Reasoning, Spatial Reasoning, Vocabulary, Health questionnaire, Activity questionnaire, Personality, Non-invensive physical measures, Blood samples and Imaging. N= 468 (26 participants of baseline, 11 of panel 2 and a new panel of 311 participants).