A brief summary of current research.
O'Neil-Pirozzi, T, Strangman, G, Goldstein, R, Katz, D, Savage, C, Kelkar, K, Supelana, C, Burke, D, Rauch, S, & Glenn, M (2010). Journal of Head Trauma Rehabilitation, 25 (1), pp 43-51.
People with traumatic brain injury benefited from group memory intervention that focused on strategies like categorizing similar items and visual imagery. Severe injury was associated with less improvement in memory outcomes than mild and moderate injuries.