Physical and Cognitive Aging Study in Older Adults

Inclusion Criteria: • Hispanic and non-Hispanic adults age 55-85 years, at least 8th grade education, community dwelling. Additional Inclusion for Hispanic Americans * Self-identify as Hispanic American * Report Spanish as primary language • No evidence of dementia or mild cognitive impairment based on cognitive screening \[i.e., Montreal Cognitive Assessment (MoCA) administered during Visit 1; ≥26 among non-Hispanic White, ≥25 among Hispanics, ≥24 among non-Hispanic Blacks (Milani et al., 2018)\] Exclusion Criteria: * Inability to provide informed consent * Artificial joint or severe disability that would make it impossible or contraindicated performing the isokinetic test * Sensory loss (vision, hearing) or motor deficits that would preclude participation in the experimental tasks or neuropsychological assessment * Previous major strokes or other known significant brain abnormalities or diseases affecting the brain and/or cognition (e.g., Parkinson disease, multiple sclerosis, seizure disorder, brain surgery, moderate TBI, REM Behavior Sleep Disorder, untreated sleep apnea, etc.) * Unstable and uncontrolled medical conditions (metastatic cancer, HIV, moderate-severe kidney disease, uncontrolled diabetes, uncontrolled hypertension, severe cardiac disease, etc.). No current cancer diagnosis. * Current or past history of major psychiatric disturbance including schizophrenia, or active psychosis, bipolar disorder, current major depressive episode, current alcohol or substa…