Non-invasive Nerve Stimulation and Cognitive Training to Improve Cognitive Performance in Healthy Older Adults

Inclusion Criteria: * Healthy individuals willing to commit to study requirements Exclusion Criteria: * Neurological disorders to include traumatic brain injury. * Evidence of dementia . * Major psychiatric illness * Unstable and chronic medical conditions. * MRI contraindications (e.g., pregnancy, claustrophobia, metal implants that are contraindicated for MRI). * Physical impairment precluding motor response or lying still or walking * Hearing or vision deficits that will not allow for completion of assessments