you would have to see a neurologist just to know if you had any diazepam-related brain damage. i do not know the details of your medication use. if you are having any neurological issues that you attribute to brain damage it may not be related at all to your past use of this medication. some parts of the brain recover nicely; other parts do not so it would be impossible for any medical provider to blindly delve into your case to such details over the internet.
took diazepam 25 years ago for 15 years -- how can i counter any brain damage