sir,my brother had a Car Accident in Oct 2009 and he got head injuries on the mid head with multiple cuts and a deep cut on the neck, at that time he was diagnosed well and recovered within 4 months and was back to normal routine work,but after 1 year i.e OCT 2010 he suffered from the mental problems ,he was given treatment from Neurologist and after that Psychiatrist and he recovered from that till Jan 2011 and back to again normal life, But again from OCT 2011 onwards he is suffering from the same mental Problems and he has recovered from that till now, he has been under treatment from a Neurosurgeon and he says that his intelligence is paralyzed and it will take some to recover,Sir my question is why my brother is having such kind of mental problems and after 4 months of treatment from the doctor no sign of improvement has been found sir ,please suggest us what should we do ????