Wednesday, July 21, 2010

Deja Vu


"Already seen." Why does deja vu occur? What purpose does it serve? If something seems familiar, and yet you're sure that you've never seen it or done it before, did you experience it in a previous life? Did you experience it and somehow forget? Did you truly never experience it?

I took to Wikipedia and found an explanation that fits with my instincts about deja vu:

"Scientifically speaking, the most likely explanation of déjà vu is not that it is an act of "precognition" or "prophecy," but rather that it is an anomaly of memory, giving the impression that an experience is "being recalled." This explanation is substantiated by the fact that the sense of "recollection" at the time is strong in most cases, but that the circumstances of the "previous" experience (when, where, and how the earlier experience occurred) are quite uncertain. Likewise, as time passes, subjects can exhibit a strong recollection of having the "unsettling" experience of déjà vu itself, but little or no recollection of the specifics of the event(s) or circumstance(s) they were "remembering" when they had the déjà vu experience. In particular, this may result from an overlap between the neurological systems responsible for short-term memory (events which are perceived as being in the present) and those responsible for long-term memory (events which are perceived as being in the past). The events would be stored into memory before the conscious part of the brain even receives the information and processes it."

Even though this explanation seems spot on and perfectly logical, it's still fun to consider the possibility of previous lives and remembering experiences from past lifetimes in this current one we're living right now. Who knows?

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