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It happens many times when you visit a place you have never been before, you feel subconsciously you have been there already. And the events and people you are meeting and experiencing have already taken place sometimes back and you are just re-experiencing it.

What is this condition called? Is there any scientific study on the same?

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2 Answers 2

up vote 4 down vote accepted

The term is typically called déjà vu..

There's a section on wikipedia discussing scientific research.

Brown (2003) looks like a good starting point for a more rigorous scientific analysis.

Kusumi (2006, PDF) has another scientific review article on the topic.


  • Brown, A. S. (2003). A review of the déjà vu experience. Psychological bulletin, 129(3), 394.
  • Kusumi, T. (2006). Human metacognition and the déjà vu phenomenon. Diversity in cognition: Evolution, development, domestication, and pathology, 302-314. http://www.educ.kyoto-u.ac.jp/cogpsy/personal/Kusumi/dejavu.pdf
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This is more appropriate as a comment but I don't have sufficient reputation at the moment. Jeromy Anglim's answer is excellent but I thought I'd mention that the term was missing the diacritic marks, or pronunciation symbols above the e and a: déjà vu.

This viral video by vsauce is excellent and entertaining, so I thought it was worth mentioning: https://www.youtube.com/watch?v=CSf8i8bHIns

This video by TED-Ed is also excellent in it's depiction and description of déjà vu: https://www.youtube.com/watch?v=foVMwJtlR5s

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