The Research Specialist will be trained and certified in administration of the neuropsychological assessment, Short Physical Performance Battery, vitals and anthropometry assessment, neuromotor exam, carotid ultrasound, blood sample processing, phlebotomy, and video visit administration and technical troubleshooting, as needed by the study. They will obtain vital signs measures, conduct cognitive testing, perform carotid ultrasounds, administer physical function assessments, troubleshoot technology, and draw blood, if interested, or coordinate phlebotomy with lab agencies.