What is Déjà vu?

This short video gives a background on what the phenomenon called Déjŕ vu may be.

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Mental phenomenon such as Déjà vu I think are fascinating. No one knows exactly what it is, but this video poses some popular theories, and there is a link to How Stuff Works below in case you want to learn more about it.

I don't think any reputable theories do or should go into areas such as past-lives, so if that is the kind of info you are looking for, look elsewhere.

http://www.howstuffworks.com/science-vs-myth/extrasensory-perceptions/deja-vu.htm

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