Dr. Doug Scharre, left, and Dr. Punit Agrawal prepare Kathleen Sanford's deep brain stimulation device for monitoring. Sanford is an Alzheimer's patient that has a deep brain stimulation implant as part of a study at Ohio State University. | AP Photo
Kathleen Sanford performs neurological cognitive tests during an appointment. | AP Photo/Jay LaPrete
This image provided by Merck & Co. shows a cross section of a normal brain, right, and one of a brain damaged by advanced Alzheimer's disease. | The Associated Press
WASHINGTON — It has the makings of a science fiction movie: Zap someone’s brain with mild jolts of electricity to try to stave off the creeping memory loss of Alzheimer’s disease. And it’s not easy. Holes are drilled into the patient’s skull so tiny wires …
