**Study Overview:** This study explores how COVID-19 affects the brain and mind. Researchers are using special tests and brain scans to understand problems like thinking difficulties, depression, and anxiety in people who had COVID-19. They use techniques like *EEG* (a test that checks brain waves), *MRI* (a scan that takes pictures of the brain), and lab tests to look for signs of brain damage. The study also examines blood markers that might indicate brain changes.
**Eligibility:** Participants must be between 18-70 years old and have had COVID-19 at least 3 months ago. You should not have metal in your body, no head or neck tattoos, and feel comfortable in an MRI machine. Normal vision is required.
**Key Points:**
- **Visits:** Some in-person visits in San Francisco are required.
- **Duration:** Participation involves multiple tests and scans.
- **Risks:** Individuals with past neurological issues, major medical conditions, or claustrophobia may not participate.
Eligibility is important to ensure safety and the accuracy of results, so please consider these factors before joining the study.
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