Déjà vu - from 'already seen' in French - is the feeling that one has experienced, or even 'lived through' a particular situation before - but accompanied by the belief that, in reality, one hasn't.
It is an anomaly of memory whereby, despite the strong sense of recollection, the time, place, and practical context of the “previous” experience are uncertain or believed to be impossible.
Déjà vu experiences are commonplace - around 60% of the population report they have experienced them at some point. Researchers have been trying to find explanations for more than a century.
The current mainstream theories include the :
Note: Since the development of electronic brain-monitoring technology there have many more experimental investigations. Despite this, to date, there are still no widely accepted explanations.
Further in-depth info. Psychological Bulletin 2003, Vol. 129, No. 3, 394 – 413
Note: Increased prevalence of Déjà vu is associated withand
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