Subjects will participate in either one or both experimental interventions, which are matched for time commitment. Participation in interventions will include weekly in-person or remote 1-2 hour sessions with a trainer over a period of 6-16 weeks. In addition to weekly training sessions, study activities will include about 15 minutes of weekly telephone contact with the trainer and about 35 minutes a day of playing a computerized game at home during the same period. Therefore, total training time range is approximately 43-93 hours, depending on whether participation includes one or both interventions.