decline as fast as they would without the treatment. >> reporter: six canadian patients have gone the this implant and all have shown slight memory improvement. but a great deal of improvement when it comes to brain metabolism. that what you lose when you get alzheimer. the first u.s. patient got this implant just yesterday so we don't have result on that just yet. the treatment works along with different alzheimer's division. but the truth is thes alzheimer's drugs have not worked nearly as well as researchers were hoping. there are 5.2 million americans who have alzheimer's. those are people over 65. there is no word on the early onset alzheimer's. by 2050 it to be up to 16 million. one in five million women will get alzheimer's in their lifetime. this is all about changing the