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Types of déjà vu
According to Arthur Funkhouser there are three major types of déjà vu.[2]
[edit] Déjà vécu
Translated literally as 'already lived,' déjà vécu is described in a quotation from Charles Dickens:
“ We have all some experience of a feeling, that comes over us occasionally, of what we are saying and doing having been said and done before, in a remote time – of our having been surrounded, dim ages ago, by the same faces, objects, and circumstances – of our knowing perfectly what will be said next, as if we suddenly remember it![3] ” When most people speak of déjà vu, they are actually experiencing déjà vécu. Surveys have revealed that as much as 70% of the population have had these experiences, usually between ages 15 to 25, when the mind is still subject to noticing the change in environment.[4] The experience is usually related to a very ordinary event, but it is so striking that it is remembered for several years afterwards.
Déjà vécu refers to an experience involving more than just sight, which is why labeling such "déjà vu" is usually inaccurate. The sense involves a great amount of detail, sensing that everything is just as it was before and a weird knowledge of what is going to be said or happen next.
More recently, the term déjà vécu has been used to describe very intense and persistent feelings of a déjà vu type, which occur as part of a memory disorder.[5]
[edit] Déjà senti
This phenomenon specifies something 'already felt.' Unlike the implied precognition of déjà vécu, déjà senti is primarily or even exclusively a mental happening, has no precognitive aspects, and rarely if ever remains in the afflicted person's memory afterwards.
Dr. John Hughlings Jackson recorded the words of one of his patients who suffered from temporal lobe or psychomotor epilepsy in an 1889 paper:
“ What is occupying the attention is what has occupied it before, and indeed has been familiar, but has been for a time forgotten, and now is recovered with a slight sense of satisfaction as if it had been sought for. ... At the same time, or ... more accurately in immediate sequence, I am dimly aware that the recollection is fictitious and my state abnormal. The recollection is always started by another person's voice, or by my own verbalized thought, or by what I am reading and mentally verbalize; and I think that during the abnormal state I generally verbalize some such phrase of simple recognition as 'Oh yes – I see', 'Of course – I remember', but a minute or two later I can recollect neither the words nor the verbalized thought which gave rise to the recollection. I only find strongly that they resemble what I have felt before under similar abnormal conditions. ” As with Dr. Jackson's patient, some temporal-lobe epileptics may experience this phenomenon.
[edit] Déjà visité
This experience is less common and involves an uncanny knowledge of a new place. The translation is "already visited." Here one may know his or her way around in a new town or landscape while at the same time knowing that this should not be possible.
Dreams, reincarnation and also out-of-body travel have been invoked to explain this phenomenon. Additionally, some suggest that reading a detailed account of a place can result in this feeling when the locale is later visited. Two famous examples of such a situation were described by Nathaniel Hawthorne in his book Our Old Home[6] and Sir Walter Scott in Guy Mannering.[7] Hawthorne recognized the ruins of a castle in England and later was able to trace the sensation to a piece written about the castle by Alexander Pope nearly a century earlier.
C. G. Jung published an account of déjà visité in his 1952 paper On synchronicity.[8]
In order to distinguish déjà visité from déjà vécu, it is important to identify the source of the feeling. Déjà vécu is in reference to the temporal occurrences and processes, while déjà visité has more to do with geography and spatial relations.
[edit] Scientific research
In recent years, déjà vu has been subjected to serious psychological and neurophysiological research. 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; it is the impression that an experience is "being recalled".[citation needed] See Chris Moulin's work. 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). In other words, the events would be stored into memory before the conscious part of the brain even receives the information and processes it. This would explain why one is, if it ever comes to mind, powerless trying to twist the outcome of the event in order to create a paradox. The delay is only of a few milliseconds, and besides, already happened at the time the conscious of the individual is experiencing it.
Another theory being explored is that of vision. As the theory suggests, one eye may record what is seen fractionally faster than the other, creating that "strong recollection" sensation upon the "same" scene being viewed milliseconds later by the opposite eye. However, this one fails to explain the phenomenon when other sensory inputs are involved, such as the auditive part, and especially the digital part. If one, for instance, experience déjà vu of someone slapping the fingers on his/her left hand, then the déjà vu feeling is certainly not due to his/her right hand to be late on the left one. Also, persons with only one eye still report experiencing déjà vu or déjà vecu. The global phenomenon must therefore be narrowed down to the brain itself (say, one hemisphere would be late compared to the other one).
[edit] Links with disorders
Early researchers tried to establish a link between deja vu and serious psychopathology such as schizophrenia, anxiety, and dissociative identity disorder, with hopes of finding the experience of some diagnostic value. However, there does not seem to be any special association between deja vu and schizophrenia or other neurotic conditions. [9]. However, the strongest pathological association of déjà vu is with temporal lobe epilepsy.[10][11] 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.
[edit] Pharmacology
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.
[edit] Memory-based explanations
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.
[edit] Neural theories
In the late 20th and early 21st Centuries, it was widely believed that déjà vu could be caused by the mis-timing of neuronal firing. This timing error was thought to lead the brain to believe that it was encountering a stimulus for the second time, when in fact, it was simply re-experiencing the same event from a slightly delayed source. A number of variations of these theories exist, with miscommunication of the two cerebral hemispheres and abnormally fast neuronal firing also given as explanations for the sensation.
*Moved, and previous posts deleted except for VR's*
*Moved, and previous posts deleted except for VR's*
I still say it's a glitch in the matrix,and so much easier to read than VR's essay
I do occassionally get it but I can't explain why, it's just weird thinking 'ooh Iv done this before' or summin when I know I havent![]()
im a bit skeptical bout the whole spirit thing but if thats what you think then its coolSee i think more spritually i think the reason we have Deja Vu is because our sprits or who we were in the past life ( how ever you want to see it ) didnt walk through the same path as we are. It happens sometime when you drive, walk or w/e and you feel like youve been at at certain location before but in reality you never did. its because our spirits that protect us when through the same situation as we were
IAnd VR, I give you an A+ for the report. You are, by far, the smartest person on the forum.
i think i read somewhere that when you have deja vu when you see something its because your brain recoginises that image before it turns it the right way up, i know that sounds a little unclear but meh.
also i have no idea if thats true so if it isnt i apoligise beforehand.
Same thing has happened to me alot.i had two deja vu experiences lately, where i feel like ive had the same convo with the same person before, and it feels like i know what they will say next.
Yeeeeah, I really doubt that reincarnation and spirit mumbo jumbo...if they were our spirits that walked a different path than us, why do we recognize things like they're familiar? Wouldn't that mean they happened to our past self or whatever? You're saying that they did AND didn't have the same experiences....im a bit skeptical bout the whole spirit thing but if thats what you think then its cool
i mean we could be going through the same mental state as our gaurdians were during that time not where weve been but more like why we are there i mean w/e thats what i think
e.g: Im going to the park with four friends and i got Deja vu of me going to the park with my four freinds. No its not that its happened before or w/e Scientist want to label it but the situation i am in " going some where with friends" our life style would be diffrent then the past life but our mental state can crozz with each other now and then "im not saying that we experiance the excat thing as out ancestors did but in personal situation yeah. i got my theroy on my own this is based on ME no books no internet i was raised in the snateria religon and please if you think its Black magic or devil worshiping its not i heard it ALL before we gont belive whats good or bad we belive whats right or wrong
Now see that makes just a tiny bit more sense...well, up until the whole future part, I've never experienced anything from the future in deja vu...I believe deja vu is actually a memory. It is a flash back of what you created, for yourself, in your blue prints.
We all have a life plan that we create for ourselves before we transition to this earth plane. There are specifically marked time periods that will not and can not be changed; they are like check points.
Sometimes the events at the check points are so strong, it causes our veil to be lifted for a very short period.
Deja vu is the moment in time; present, remembering the pre-existence past, and experiencing the future all at once, for only a few very short seconds. And, this tells us we are where we are suppose to be, at that exact moment, in that exact place; good, bad or indifferent and that things are going according to plan.