What are the some methods of brain injury rehabilitation?

PT, OT, speech. Physical therapy, to promote gross motor skills such as walking, occupational and hand therapy to regain fine motor skills such as eating, dressing, and writing, and speech therapy are the main ones. Cognitive therapy, psychologic counseling, and medical therapies to regain sleep cycles and treat chronic pain and mood disorders can also be helpful.
Well retraining . Can be very hard. When you have a stroke or brain injury you have to retrain parts of your brain to re learn how to move certain muscles for instance. Generally a specialist will be able to evaluate your losses and come up with a rational plan of how to get you back as much as possible to fully normal. You really should go to a place which specializes in tbi - do a websearch for your state.