The feeling of "déjá vu" can happen to almost all [BR]And has biological origin. [BR]The hippocampus - region of the brain responsible for [BR]Processing of the memory - is activated out of time, [BR]Exactly when is a fact occur again, giving [BR]The impression that what was already registered, [BR]That is a fact of the past. [BR]The event is more common in people with epilepsy [BR]In the temporal lobe and that, probably, is [BR]Related "shooting" abnormal hippocampus, one of [BR]Centers of the brain memory, "says the psychiatrist [BR]Roberto Sassi. [BR]But that does not mean that people who have "déjá vu" [BR]Suffering from epilepsy.