*Alka sighs* Alka: There is... You see, Amnesia patients generally begin to regain their memories slowly anyway. The brain repairs itself due to it's high plasticity, and with that the memories come back. It's a slow process though, but you can aid that. You see, the brain is also capable of dedicating memories to multiple areas. If he relives certain memories, hears something that he's heard before, or see's something of psychological significance to him, it can help jog his memory faster. But, don't expect to miraculously give back all his memories at once...