Neural and Cognitive Consequences of COVID-19 Survival

Inclusion Criteria: * Our studies require some in-person visits to our research lab, located at 42nd Ave and Clement St in San Francisco. * Because this study includes an MRI, part of the screening process will be to ensure you don't have any metal in your body, you do not have head or neck tattoos, and you are comfortable inside the MRI scanner. * 18-70 years with a confirmed COVID infection at least 3 months ago. * Negative metal screen for MRI safety * Normal (or corrected to normal) vision Exclusion Criteria: * Past or present neurological problems (including seizures and head trauma resulting in neurological or cognitive symptoms) * Loss of consciousness (LOC) greater than 30 minutes or any LOC with neurologic symptoms * Major medical conditions (e.g., seizures disorders, treatment with anticonvulsant medication, endocrine disorders, significant cardiac pathology) * Substance dependence, within the past year, or failed urine toxicology on the day of neuroimaging sessions * Known claustrophobia * Current pregnancy * IQ estimate \< 70