I'll take off please. Brain "pacemaker" activates long-lost memories
While his surgeons were identifying potential appetite-suppressing sites in his brain, the patient, awake and under local anesthesia, reported feeling a sense of deja vu.
He could vividly recall a scene from 30 years ago: He was in a park with friends. His girlfriend at the time was there. Everything was in colour. He could see his friends talking, but couldn't make out what they were saying.
"He could describe what they were wearing. He could describe the temperature, what kind of day it was," says Dr. Andres Lozano, professor of neurosurgery and Canada Research Chair in Neuroscience at the Toronto Western Hospital.
When the current was switched off, the memory stopped.