Wilder Penfield was born ... that the seizure is about to occur. Penfield thought if he could provoke this aura with a mild electric current on the brain, then he would have located the source ...

Wilder Penfield was born in Spokane ... patients experience an "aura," a warning that the seizure is about to occur. Penfield thought if he could provoke this aura with a mild electric current on the ...