Brain Enhancement Training Towards Elders Resilience to Aging, Phase IIB

Inclusion Criteria: * Participant must be 70 years of age or older * Participant must be a fluent English speaker * Participant must have adequate sensorimotor capacity to perform the program, including visual capacity adequate to read from a computer screen at a normal viewing distance, auditory capacity adequate to understand normal speech, and motor capacity adequate to control a computer mouse * Participant must not have evidence of dementia as indicated by the Montreal Cognitive Assessment (MoCA) Exclusion Criteria: * Participant with any medical illnesses, injuries or conditions predisposing to imminent functional and/or cognitive decline * Participant requiring caregiver assistance in dressing/personal hygiene * Participant with severe visual deficits (including visual neglect, partial field cuts, anopias) and/or severe hearing deficit that would prevent use of the computerized treatment program * Participant with recent participation of computer-delivered cognitive training within 2 years of consent * Participant with claustrophobia or any other contraindication to MRI scanning * Participant with inability to complete a 1-hour MRI * Pregnant women * Participant with any implanted devices above the waist (e.g., cardiac pacemaker or auto-defibrillators, neural pacemaker, aneurysm clips, cochlear implant, metallic bodies in the eye or central nervous system, any form of wires or metal devices that may concentrate radio frequency fields) * Participants with active suicidal ideation with specific plan and intent or suicide-related behaviors within 2 months of consent as measured by the Columbia-Suicide Severity Rating Scale (C-SSRS)