> My relative does not accurately remember what parts of his brain was injured, so interviewing him would not yield much. A decent battery of psychological tes

> My relative does not accurately remember what parts of his brain was injured, so interviewing him would not yield much. A decent battery of psychological tests (WAIS-R, NART, Stroop Test, PASAT - the latter two depending on the results of the first) will tell you a lot about his mental state and what parts of his brain are likely damaged. Source: worked with TBI survivors for several years and wrote a thesis on neuropsychological indicators of return to work capability.