The term
déjà vu is French and means literally, "already seen." Those who have
experienced the feeling
describe it as an overwhelming sense of familiarity with something that
shouldn't be
familiar at
all. Say, for example, you are traveling to new place for the first time and
when you get there suddenly it seems as if you have been in that very spot
before, felt like you know the place better. It's so strange isn't? In the déjà
vu experience, however, we feel strange because we don't think we should feel
familiar with the present perception. That sense of inappropriateness is not
present.
The
psychologist Edward B. Titchener in his book A Textbook of Psychology,
explained déjà vu as caused by a person having a brief glimpse of an object or
situation, before the brain has completed "constructing" a full
conscious perception of the experience. Such a "partial perception"
then results in a false sense of familiarity. Scientific approaches reject the
explanation of déjà vu as "precognition" or "prophecy ",
but rather explain it as an anomaly of memory, which creates a distinct
impression that an experience is "being recalled". As much as 70
percent of the total population of the world reports having experienced some or
the other kind of Deja vu experience. This is commonly found in people in the
age group of 16 to 25 years. Several psychiatrists have been conducting
researches on this topic, and many have found various reasons for the
occurrence of these experience. Some attribute it to temporal lobe, while some
say it is just an illusion. Many have also reported Deja vu to be an experience
of past life.
Since déjà vu occurs
in individuals with and without a medical condition, there is much speculation
as to how and why this phenomenon happens. Several psychoanalysts attribute
déjà vu to simple fantasy or wish fulfillment, while some psychiatrists ascribe
it to a mismatching in the brain that causes the brain to mistake the present
for the past. Many parapsychologists believe it is related to a past-life
experience. Obviously, there is more investigation to be done.
"My beautiful 'deja vu' is when I'm fallin in
love with you everytime I see you." - Unique Daily Tips
Source :
http://science.howstuffworks.com
http://www.skepdic.com
http://www.whatisall.com
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