It's just what I've been told. I told my friend I placed them in my dream once, and he said, "When did you have the dream you're referring to?" and I had no idea, so he won that one.
Here is some info on deja vu, as well as déjà vecu (already experienced), déjà senti (already felt) and déjà visité (already visited).
http://serendip.brynmawr.edu/bb/neuro/neuro98/202s98-paper2/Johnson2.html
Hope it helps...you'll see the theory I stated there, as well as others, which include wish fulfillment (I hate wish fulfillment theories).
-Ramon http://razor.ramon.com
