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Déjà vu

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Flash
59630.  Tue Mar 14, 2006 6:22 am Reply with quote

Haven't we already done this question?

 
Flash
59631.  Tue Mar 14, 2006 6:24 am Reply with quote

Déjà vu seems to be an anomaly of memory rather than an act of precognition; a false impression that an experience is being recalled. Researchers have found that as time passes subjects recall more strongly that they had a sense of déjà vu than they do the specifics of the event or place they had the déjà vu about, if you see what I mean.

A connection has been found with schizophrenia and anxiety, and particularly with epilepsy, implying the possibility of a neurological basis for the phenomenon. Most people have mild, non-pathological epileptic episodes quite regularly (the myoclonic jerks we covered in the last series), so this explanation 'fits'.

Some believe déjà vu is the memory of dreams. Perhaps a dream can read directly into long-term memory, bypassing short-term memory entirely. In this case, déjà vu might be a memory of a forgotten dream with elements in common with the current "awake" experience.


Last edited by Flash on Tue Mar 14, 2006 6:29 am; edited 2 times in total

 
Flash
59632.  Tue Mar 14, 2006 6:25 am Reply with quote

Freud regarded déjà vu as evidence of sub-conscious activity (now that's something I have seen before); he thought that it happens when one is reminded of a sub-conscious fantasy. Jung wrote an account of "Déjà visité" (a form of déjà vu involving a sense of knowing a place that you've never been to before) in a 1966 paper called On Synchronicity.


Last edited by Flash on Tue Mar 14, 2006 6:26 am; edited 1 time in total

 
Flash
59633.  Tue Mar 14, 2006 6:26 am Reply with quote

This is from David Copperfield, which links us to Dickens and to that Dinosaur plodding up Highgate Hill:

Quote:
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!

 
Flash
59634.  Tue Mar 14, 2006 6:28 am Reply with quote

The term was coined in 1903 by Emile Boirac in a book called L'Avenir des sciences psychiques (The Future of Psychic Sciences).

 
Flash
59639.  Tue Mar 14, 2006 6:51 am Reply with quote

Might be fun to ask this question twice; either twice in one show, or in two different shows with some of the same guests.

Or more than twice.

 
Gray
59678.  Tue Mar 14, 2006 8:26 am Reply with quote

I remember reading a theory that talked about the brain having a momentary lapse in consciousness, and when it 'turns back on again' you see all the things that you've seen before.

Consciousness does very odd things with out us being conscious (ho ho) of it. When you take a step, your consciousness filters out the huge jerk (ho ho ho) that your eyeball receives through your body. You don't notice it.

Quote:
Arthur Funkhouser (1) defines three types of déjà vu in an attempt to more clearly delineate between associated, but different, neurological experiences. These are déjà vecu (already experienced), déjà senti (already felt) and déjà visité (already visited).


Quite an interesting page on it.

 
Flash
61566.  Thu Mar 23, 2006 5:29 am Reply with quote

Quote:
University researchers are conducting the world's first study into déjà vu - the feeling that something one is experiencing has happened before. They are seeking volunteers who are chronic sufferers of the condition, which takes its name from the French phrase for "already seen". Psychologists from Leeds University are being funded by the Economic and Social Research Council and will attempt to recreate déjà vu in laboratory conditions.

The project coincides with "Groundhog Day" which was set as Feb 2 in the eponymous Hollywood film and is now commonly used as an alternative term for déjà vu. The anniversary is marked every Feb 2 in Punxsutawney, Pennsylvania, with the re-creation of a Native American tradition claiming that if a groundhog comes out of hibernation and sees its shadow, it goes back for another six weeks.

Dr Chris Moulin, who is leading the research, first encountered chronic cases of déjà vu five years ago. He had a "peculiar referral" from a man who told him there was no point visiting his clinic because he had already been there, although this was impossible. The man was so convinced he had met Dr Moulin before that he gave details of appointments, even though they had never met. He believed he could hear the same bird singing in the same tree every time he went out and his déjà vu had developed to the extent that he stopped watching television, even news programmes, thinking they were repeats. "But when his wife asked what was going to happen next on a programme he'd claimed to have already seen, he said 'How should I know? I have a memory problem'," said Dr Moulin.

The patient was found to be in the early stages of dementia and never recovered.

Daily Telegraph, 2nd Feb 2006

 
eggshaped
142107.  Sun Feb 04, 2007 9:53 am Reply with quote

The December issue of the journal Brain and Cognition included the first ever scientific description of a blind man experiencing déjà-vu.

Quote:

The man had déjà vu when undoing a jacket zipper while hearing a particular piece of music, and also while hearing a snatch of conversation while holding a plate in the school dining hall.


http://www.livescience.com/humanbiology/061128_deja_vu.html

 
microapp
850254.  Mon Sep 26, 2011 2:37 am Reply with quote

neurotalk.psychcentral.com/thread7527.html

University of Leeds researchers report for the first time the case of a blind person experiencing déjà vu through smell, hearing and touch.
www.sciencedaily.com/releases/2006/11/061128140552.htm

 
Jenny
850395.  Mon Sep 26, 2011 10:57 am Reply with quote

Interesting! Thanks microapp and welcome to the forums :-)

 

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