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 substance abuse or history thereof within the past six months * Use of antipsychotics, sedatives, or other medications with significant anticholinergic properties (due to potential influence on memory) * Use of prescribed 'memory enhancing' medications, such as Aricept or Namenda * Previous participation in a cognitive or physical activity training study within the last 6 months or current involvement in another study involving cognitive, physical or other intervention at the time of enrollment