How does Deja Vu work.... The concept is really interesting I wish I know how it happens...Help anyone?

Answer 1

I'm not entirely sure myself, however, I've been told that it's something like an electrical short in the brain. Your eye sees something, and it skips a step on its way to being processed. Which creates like a repeat effect ie: de ja vu.
Another, slightly more weird approach is that the exact same thing happened in a previous life. But I think that only applies if you believe in Reincarnation.

Answer 2

Deja Vu is mostly an artifact of how the mind works. The concious mind registers reality between 0,5 and 1 second after all the information is already in the brain. Why this is so is a matter of speculation, but the best reason I have read is to allow all the different sensory input to be coordinated. Watch yourself touch something; sure seems simultaneous, right? Well, the pathways for both of these inputs are quite different and the brain needs time to get it all sorted out. If these inputs were not coordinated, you might feel the touch a full half second before you saw it.

The second piece of the puzzle is the fact that our brain can learn, even when our mind does not get involved. One person I read about had a lesion in the brain that prevented him from creating new long-term memories. His old memories were intact, and he could hold a conversation easily. But if you talked to him, left the room for a few hours and came back, he would have no idea that you had talked to him earlier. Awful condition. However, he could learn a complicated physical task, and would get better and better at it, even though each time he tried the task, he thought it was for the first time. Some part of his brain was laying down some sort of memory without his mind actually being involved.

Ok, so we are always behind reality, and some other parts of our brain may be reacting before our concious mind gets the message. Some of these parts are quite capable of forming impressions and even memories without the mind being involved. Deja Vu is the effect of us accessing these "other" memories that were laid down just a half second earlier. We feel like this is all familiar, but we have no explicit memory. We have no reference point about "when" these memories were laid down. They are just somehow there. Very spooky.

Answer 3

I don't know how Deja Vu works, but when I was a teenager I experienced this phenomenon frequently. All the episodes only lasted a few seconds, but had amazing clarity. Sometimes it happens now, but not very often. Sometimes I "see instances in life" up to a year in advance. When the sequence unfolds I know within 1 or 2 seconds that I have "seen" this before. I know this is weird but that's just me.

Answer 4

I have experienced that a lot of times before. For example, you are in a situation that you think "had already happened before" although you really know it has never happened before. It's like you had a premonition and by Deja Vu, you remember having known that this situation will happen.

Answer 5

oh, I wish I could remember where I read this....

it interests me too. it was originally thought to be a psychic experience, but I wanted to know the science behind it.

I read that it is just your brain processing the information slowly, so part of it is transfered to your memory before you consciously process the event. Thus, when you experience it, you already have the "memory" of it stored away. I hope that makes sense, its quite late.

Answer 6

i heard sumwhere that deja vu is actually just a VERY strong feeling that you've seen it before, you actually havent seen it, you just get the feeling. check wikipedia, i may be wrong