My brother is suffering from swelling in his head.. He is having blood clot in his brain.. Doctor Suggested for operation so they can control swelling inside his brain but we suggested to another doctor he said no need to go for a surgery it will be resolved through medication.. Now he is physically fit but Internally he is very weak and he has lost his memory some how.. He doesn't know things name like fan, spoon, iron even he has forgotten difference between singular ND plural... Doctor says his case is forget fullness case.. How long it will take for his recovery... He will be able to recollect his memories like earlier or not. Waiting for your reply thanks..