Earlier My Younger Brother Got Fits Then We Have Consulted

earlier my younger brother got fits
then we have consulted with one of known neurologist in our city..he cured..but after two years he had another problem that is he used to forget so many things..like way to come back to home rembering roads..n so many things..then again went to doc..he has given treatments n some how he improved bit..but not fully..can you tell me tow hom i can contact..where he can be well?