Group 1 (computerized cognitive training): Student OT doctoral researchers will guide the subject when participating in the RehaCom program. RehaCom is computer hardware and software designed for assisted cognitive rehabilitation. The program is designed to target specific aspects of attention, concentration, memory, perception, and problem-solving. As the training goes on, the tasks will become easier or harder depending on the subject's performance. The first session will begin with a screening module with an example and a practice session to make sure the client understands the task. After screening, the results page shows the subject's performance compared with age-matched norms. This gives a helpful indication as to the severity of the deficit and advises the researcher on the particular training module to be used. The subject will continue the training modules for a total of 480 minutes of training over 12 weeks.