You may be eligible for this study if you meet the following criteria.

Inclusion Criteria:

• You or your partner have symptoms of dementia
• Couples ages 60+
• Living with your partner
• Lives in Eastern Time Zone within the United States

If you participate in this study, here is what you can expect:

1. Initial Phone Interview: Both partners will complete a 60-minute phone interview. This interview will be repeated one and two years later.

2. Cognitive Assessment: Each partner will complete a cognitive assessment (video call or in person), which will also be repeated one and two years later.

3. Study Procedures Review: After the initial interview, both partners will have a brief phone or video call to review the study procedures.

4. 7-Day Smartphone & Wrist Activity Monitoring: For seven consecutive days after the initial interview, both partners will complete five short smartphone surveys each day and wear a wrist activity monitor (similar to a watch).

5. Check-In Calls: Two brief check-in calls will take place at 6 months and 18 months after the initial interview.

Phone interviews and cognitive assessments may take place on different days for each partner, but the smartphone surveys and wrist activity monitor must be completed on the same days for both partners. If you are unable to complete an interview or assessment, you can schedule another time to finish. All interviews, in-person cognitive assessments and check in calls will be audio recorded, which is a required part of the study. Video call cognitive assessments will be video recorded, which is a required part of the study.

The only cost to you is the cost of travel to Ann Arbor, MI if you are completing an in person cognitive assessment with our team. If you have any concerns regarding your ability to attend your cognitive assessment appointment, you may contact the study team to request travel assistance.