This is quite interesting, and i dount found any topic about it Here it goes:
QUOTE
"The term "déjà vu" (French for "already seen", also called paramnesia) describes the experience of feeling that one has witnessed or experienced a new situation previously. The term was coined by a French psychic researcher, Émile Boirac (1851–1917) in his book L'Avenir des sciences psychiques (The Future of Psychic Sciences), which expanded upon an essay he wrote while an undergraduate French concentrator at the University of Chicago. The experience of déjà vu is usually accompanied by a compelling sense of familiarity, and also a sense of "eerieness", "strangeness", or "weirdness". The "previous" experience is most frequently attributed to a dream, although in some cases there is a firm sense that the experience "genuinely happened" in the past. Déjà vu has been described as "Remembering the future".
The experience of déjà vu seems to be very common; in formal studies 70% or more of the population report having experienced it at least once. References to the experience of déjà vu are also found in literature of the past, indicating it is not a new phenomenon. It has been extremely difficult to invoke the déjà vu experience in laboratory settings, therefore making it a subject of few empirical studies, recently researchers have found ways to recreate this sensation using hypnosis."
Hey, word of warning, if you copied any of that from anywhere put it into quote tags, [-quote-] text [/-quote-] without the "-".
According to the new film coming out here in the UK deja vu is a government tool r something for going back in time a few days, its all rather confusing! But the government have a tool or something they can use to send agents back in time or let them veiw things back in time and the lead character is an agent who doesnt know about this and finds out and has to go back in time or something to save a boat getting blown up.
I think deja vu could be a few things, like a memory of an event, EG someone saying hello, being badly recalled when someone else says hello and as its badly recalled, sort of corrupt, you don't feel it as a memory just as deja vu.
Or a similar thing but something that happened in a dream/daydream
Or even a sort of premonition that hasn't happened and when it does you get a similar thing to the corrupt memory idea and you feel deja vu.
deja vu is a tool? that's silly. it's not like a time machine or something. clearly that would confuse anyone, and even mislead.
i've experienced a lot of that before. but the events of the future usually happens in my dream. i remember one instance that i was cleaning our backyard, then it felt as if i've seen that exact moment before, i just couldn't remember. but there was one instance that i knew it was really deja vu, and i clearly remember the dream where i saw the same event before. when i was about 10 or 11 years old, i dreamt that i was in a different classroom, sitting beside the wall, i had different classmates and i saw a different teacher. i was still in gradeschool but i know very much how our classroom looked like, and my classmates and my teachers, so that dream was kinda weird for me. a few years later, i was in highschool, i was sitting beside the wall and was listening to our teacher with the lesson for that day. suddenly i had felt woozy, and it gave me a feeling that i've seen that particular event before. that's when i realized that the event was the dream i saw when i was younger.
in psychology, they have a scientific explanation for that. although i can't remember, because i wasn't listening clearly to my psychology professor at that time.
oh, and by the way, that quoted text was taken from wikipedia.
The parapsychologist, Carl Jung, once coined the term synchronocity: a phenomenon characterized by seemingly meaningful coincidences (for example, suddenly calling to mind, out of the blue, memories of a high-school classmate only to receive a call from him later on in the day); deja vu is said to be one of the manifestations of this synchronicity.
I've read the wikipedia entry and I was shocked to find that there are different kinds of deja vu. I had no idea deja vu actually encompasses different phenomena and what I knew to be deja vu was but only one of them.
I think subliminal stimuli, dreams and conscious thought factor into a deja vu in the making.
For example, you could very well be in a classroom listening to the teacher. Your conscious thought is focused on the lecture, effectively overriding other stimuli from leaking into your conscious thoughts. However, it could very well be that you are overhearing talk of something, let's say a hotel lobby. We could very well be unconscious that descriptions of this hotel lobby is secretly being encoded into our memory. Indeed, we'd have no idea of it since our mind is pre-occupied with this lecture.
Now, dream. There is a theory that dreaming is like a survival strategy machine where the mind tries out random possibilities and attempts to predict the outcome. We all know nitroglycerine is highly unstable but ever and anon, we may dream of ourselves, or someone else, shaking nitro and ending up in fine pieces. This is how the mind, through simulation, re-affirms that nitro, indeed, is dangerous.
Sometimes, the dreaming mind might retrieve from our memory something we are not aware we know, like our hotel lobby, for example. From this stealthily encoded data, our mind could very well conjure us a scenario where we'd be in this lobby when the bomb goes off.
Now, let's say you have finally made it to the hotel in question. Entering the lobby, we'd get that strange feeling that we have been here. In reality, we have our suspicion that we have dreamed of this. True enough, we have; what is eerie is the accuracy of that dream owing to a conversation we have unknowingly overheard.
Well, that's just my n cents on deja vu concerning places. I'm not so sure how deja vu for experiences works. As a matter of fact, I have no idea how deja vu really works.
Then again, it could just be the Matrix reprogramming something.
My view of the "after-life" is slightly odd. Basically, my view is that when you die, you are re-born to your same life, but so you can make it better. And you keep being re-born until you have it how you want it. But, the first time you live your life is what other people see. For example, the first time someone famous (Say Hitler) lived their life, he created the holocaust. This is the life that went down in history. But when he died, he re-lived his life and he might not of created it the second time.
Often, your "paths" cross. Say, when you do something you did in one of your previous lifes again. This is what I think Deja Vu is. Something had happened, and you're seeing it happen again. I also feel that in dreams, you can sometimes tell the future, which then ends up being deja vu (I swear it's happened to me )
Weird thinking? Yes. Change my view later on? Yes. But? Meh.
Often, your "paths" cross. Say, when you do something you did in one of your previous lifes again. This is what I think Deja Vu is.
This... altered view on reliving one's life is, well, quite interesting. So if it were true, I could very well be on my second or billionth life but most certainly not my first, as evidenced by the mere existence of the deja vu phenomenon I've encountered.
However, there is one grave flaw I have observed in this theory. If, indeed, what goes down in history is a person's first shot at life, then we shouldn't be hearing of anyone encountering deja vu. As a matter of fact, we shouldn't even come to know of such a phenomenon. If deja vu really is the result of a glimpse into an event in a former life, then everyone who had been remembered in history and, also, have encountered deja vu will:
1. Be on his/her first attempt at living a life. 2. Have had a glimpse of a previous life.
Quite contradictory if you ask me. It's very interesting, though. Your ideas had my mental gears a-running.
That happened to me everytime, but now it happens less since I'm growing bigger... I trying to practice it these days but i don't see any better results. I had no idea why that happen
In recent years, déjà vu has been subjected to serious psychological and neurophysiological research. The most likely explanation of déjà vu is that it is not an act of "precognition" or "prophecy", but rather an anomaly of memory; it is the impression that an experience is "being recalled". [citation needed] 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 to 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). Many theorists believe that the memory anomaly occurs when one's conscious mind has a slight delay in receiving perceptive input. In other words, the unconscious mind perceives current surroundings before the conscious mind does. This causes one's conscious self to perceive something that is already in one's memory, even though it was in one's memory only a split second before it was perceived.
A clinical correlation has been found between the experience of déjà vu and disorders such as schizophrenia and anxiety,[9] and the likelihood of the experience considerably increases with subjects having these conditions. However, the strongest pathological association of déjà vu is with temporal lobe epilepsy. This correlation has led some researchers to speculate that the experience of déjà vu is possibly a neurological anomaly related to improper electrical discharge in the brain. As most people suffer a mild (i.e. non-pathological) epileptic episode regularly (e.g. the sudden "jolt", a hypnagogic jerk, that frequently occurs just prior to falling asleep), it is conjectured that a similar (mild) neurological aberration occurs in the experience of déjà vu, resulting in an erroneous sensation of memory.
It has been reported that certain recreational drugs increase the chances of déjà vu occurring in the user. Some pharmaceutical drugs, when taken together, have also been implicated in the cause of déjà vu. Taiminen and Jääskeläinen (2001) reported the case of an otherwise healthy male who started experiencing intense and recurrent sensations of déjà vu on taking the drugs amantadine and phenylpropanolamine together to relieve flu symptoms. He found the experience so interesting that he completed the full course of his treatment and reported it to the psychologists to write-up as a case study. Due to the dopaminergic action of the drugs and previous findings from electrode stimulation of the brain (e.g. Bancaud, Brunet-Bourgin, Chauvel, & Halgren, 1994), Taiminen and Jääskeläinen speculate that déjà vu occurs as a result of hyperdopaminergic action in the mesial temporal areas of the brain.
The similarity between a déjà vu-eliciting stimulus and an existing, but different, memory trace may lead to the sensation. Thus, encountering something which evokes the implicit associations of an experience or sensation that cannot be remembered may lead to déjà vu. In an effort to experimentally reproduce the sensation, Banister and Zangwill (1941) used hypnosis to give participants posthypnotic amnesia suggestions for material they had already seen. When this was later re-encountered, the restricted activation caused by the posthypnotic amnesia resulted in three of the 10 participants reporting what the authors termed paramnesias. Memory-based explanations may lead to the development of a number of non-invasive experimental methods by which a long sought-after analogue of déjà vu can be reliably produced that would allow it to be tested under well-controlled experimental conditions.
I got what u've said hybridsystem it's quite nice explanation and it's very nice that you don't believe in god since you "can't see" Him. -back to topic-
well I know few friends who talks about past lifes, matrix stuff and things about dejavu's explanation, I just had one question for them.. "did you find it out by yourself or you just simply believe what other people said when your mind said 'hey it's a nice explanation' ? ", so how about it.. ?
I agree with something u said hybridsystem, we simply often decide something by our memory or past experience (sometimes it's good, sometimes it's bad -how good or bad is relative- ) when doing, facing and act on things..
I don't agree with the whole past life experience stuff. I'm sorry I just don't. I'm too stuck in this Matrix that my physics teacher shows me. Same reason I don't believe in God. If my crappy survival of the fittest senses can't work it out then I can't work it out. I don't believe in God becuase I can't see him, get me? Although I do ponder on things such as god I do normally end up just reverting back to what I thought before, what is written in physics books.
Anyway, someone once told me what they belive deja vu is and I think it's the best explanation for it that I have heard.
The brain thinks quicker than our nerves and senses and sometimes if our sense send information to our brain in two parts, such as YOUR RIGHT HAND JUST TOUCHED AN OVEN, then it sent THE OVER IS HOT. You move your hand away, though it takes a second due to this sensory delay. Also, some senses are faster than others, for example touching something hot automatically makes you withdraw your hand but trying to press the stop button when the screen goes red (like on reaction tests).
So, say one sense says WE ARE IN THIS SITUATION, your brain reconginses this and logs it in memory, then ANOTHER sense says WE ARE IN THIS SITUATION your brain loads it's memorys (though it has no idea how old they are) and goes, WOW, we've beem here before.
Therefore, under this theory, deja vu (in most cases, of course the whole dream thing is not explained) is merely a sensory 'delay' as our brain goes to quickly...
That was quite hard to explain, do you all understand what I mean?
What's even weirder is when you your your original dream pops back into your head a few moments before, so you know something is about to happen a little before it actually does (rather then "remembering" during or after). Crazy stuff; hopefully someone will figure it out for sure one day so I can find out why it happens.
Hi why is it that we get deja vu's? I've only been started getting them from the age of 13 I
think. Is there a scientific explanation? If not, then what do they mean? Personally, I think we
dream of something that is going to happen. We always forget our dreams, so when that thing (that
came in your dream) happens, then it seems familiar. When I do get deja vu's, I hate it, it
makes me feel all weird and confused, then my brain starts spinning, trying to remember what that
scene looked like. Sometimes, I even get deja vu's of me saying "deja vu"...I kn....
This morning as I was sitting in my office I got this deja vu and it was as if I had already lived
the moment that I was experiencing. However, this is not the first time it happens. In fact, I have
experienced many of them in my life time and I always wonder what causes this phenomena in our
brain. Is it that we are experiencing a moment that we have forseen or is it just our brain not
processing the info fast enough and so it feels as if we are remembering something that we are
experiencing at that very moment? Whatever the answer maybe, I am still amazed at the str....
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it's quite nice explanation 
