Brain injury attorneys are typically not doctors, however they will have access to research scientists, current leaders in the field in medicine as well as experts in neurological issues which can testify in court. A good brain injury lawyer will customize their witnesses to match your case, not use the same witnesses and experts for each case.
A brain injury can be one of the most devastating injuries a human being can suffer. If you suspect you've injured your brain as a result of an accident caused by someone else, your first step after seeking medical help is to seek legal help, because you're owed recompense.