RecruitingBehavioural interventionClinical Trial Comparing the Efficacy of Two Teletherapy Programs at Improving Psychological Health in People With Brain InjuryThe purpose of the study is to test two different training programs to find out which is better at helping people with a concussion or mild TBI (mTBI) improve their emotional health and well-being. Study participation is completely remote and will last approximately 8 months total, involving 4 assessment visits and 8 sessions of brain training via a secure video-conferencing platform. The 4 assessment visits (about 30-90 minutes each) include surveys and questionnaires about participant's emotional health. These assessment visits will take place before the training, immediately after the training, 3 months after training and 6 months after training. The 8 sessions of 1-on-1 training (about 60-90 minutes each) will be completed over the course of approximately 1 month.