Synchronicity is the experience of two or more events which are causally unrelated occurring together in a meaningful manner. In order to count as synchronicity, the events should be unlikely to occur together by chance.

The concept does not question, or compete with, the notion of causality. Instead, it maintains that just as events may be grouped by cause, they may also be grouped by their meaning. Since meaning is a complex mental construction, subject to conscious and subconscious influence, not every correlation in the grouping of events by meaning needs to have an explanation in terms of cause and effect.
Contents
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* 1 Description
* 2 Scientific reasoning
* 3 Examples
* 4 In popular culture
o 4.1 Film
o 4.2 Other media
* 5 See also
* 6 Notes
* 7 References and further reading
* 8 External links

[edit] Description
picture of the concept of synchronicity by CG Jung

The idea of synchronicity is that the conceptual relationship of minds, defined as the relationship between ideas, is intricately structured in its own logical way and gives rise to relationships that are not causal in nature. These relationships can manifest themselves as simultaneous occurrences that are meaningfully related—the cause and the effect occur together.

Synchronous events reveal an underlying pattern, a conceptual framework which encompasses, but is larger than, any of the systems which display the synchronicity. The suggestion of a larger framework is essential in order to satisfy the definition of synchronicity as originally developed by Swiss psychologist Carl Gustav Jung.[citation needed]

Jung coined the word to describe what he called "temporally coincident occurrences of acausal events." Jung variously described synchronicity as an "acausal connecting principle", "meaningful coincidence" and "acausal parallelism". Jung introduced the concept as early as the 1920s but only gave a full statement of it in 1951 in an Eranos lecture[1] and in 1952, published a paper, Synchronicity — An Acausal Connecting Principle, in a volume with a related study by the physicist (and Nobel laureate) Wolfgang Pauli.[2]

It was a principle that Jung felt gave conclusive evidence for his concepts of archetypes and the collective unconscious,[3] in that it was descriptive of a governing dynamic that underlies the whole of human experience and history—social, emotional, psychological, and spiritual. Events that happen which appear at first to be coincidence but are later found to be causally related are termed as "incoincident".

Jung believed that many experiences that are coincidences due to chance in terms of causality suggested the manifestation of parallel events or circumstances in terms of meaning, reflecting this governing dynamic.[4]

One of Jung's favourite quotes on synchronicity was from Through the Looking-Glass by Lewis Carroll, in which the White Queen says to Alice: "It's a poor sort of memory that only works backwards".[citation needed] [5][6]

[edit] Scientific reasoning

A possible explanation for Jung's perception that the laws of probability seemed to be violated with some coincidences[7] can be seen in Littlewood's law.

In psychology and cognitive science, confirmation bias is a tendency to search for or interpret new information in a way that confirms one's preconceptions and avoids information and interpretations which contradict prior beliefs. It is a type of cognitive bias and represents an error of inductive inference, or as a form of selection bias toward confirmation of the hypothesis under study or disconfirmation of an alternative hypothesis. Confirmation bias is of interest in the teaching of critical thinking, as the skill is misused if rigorous critical scrutiny is applied only to evidence challenging a preconceived idea but not to evidence supporting it.[8]

Wolfgang Pauli, a scientist who in his professional life was severely critical of confirmation bias, made some effort to investigate the phenomenon, coauthoring a paper with Jung on the subject.[9] Some of the evidence that Pauli cited was that ideas which occurred in his dreams would have synchronous analogs in later correspondence with distant collaborators.[10]

[edit] Examples

The French writer Émile Deschamps claims in his memoirs that in 1805, he was treated to some plum pudding by a stranger named Monsieur de Fortgibu. Ten years later, the writer encountered plum pudding on the menu of a Paris restaurant and wanted to order some, but the waiter told him that the last dish had already been served to another customer, who turned out to be de Fortgibu. Many years later, in 1832, Émile Deschamps was at a diner and was once again offered plum pudding. He recalled the earlier incident and told his friends that only de Fortgibu was missing to make the setting complete—and in the same instant, the now senile de Fortgibu entered the room.[11]

In his book Synchronicity (1952), Jung tells the following story as an example of a synchronistic event: "A young woman I was treating had, at a critical moment, a dream in which she was given a golden scarab. While she was telling me this dream, I sat with my back to the closed window. Suddenly I heard a noise behind me, like a gentle tapping. I turned round and saw a flying insect knocking against the window-pane from the outside. I opened the window and caught the creature in the air as it flew in. It was the nearest analogy to a golden scarab one finds in our latitudes, a scarabaeud beetle, the common rose-chafer (Cetonia aurata), which contrary to its usual habits had evidently felt the urge to get into a dark room at this particular moment. I must admit that nothing like it ever happened to me before or since." [12]

Simultaneous discovery is the creation of the same new idea at causally disconnected places by two persons at approximately the same time. If, for example, an American and a British musician, having never had anything to do with one another, arrived at the same musical concept, chord sequence, feel or lyrics at the same time in different places, this would be an example of synchronicity. The wardrobe department for The Wizard of Oz unknowingly purchased a coat for character Professor Marvel from a second-hand store, which was later verified to have originally been owned by L. Frank Baum, the author of the novel on which the film was based.[13]

Jung wrote, after describing some examples, "When coincidences pile up in this way, one cannot help being impressed by them -- for the greater the number of terms in such a series, or the more unusual its character, the more improbable it becomes."[14]
http://en.wikipedia.org/wiki/Synchronicity

http://www.carl-jung.net/synchronicity.html

http://www.psychovision.ch/synw/synchronicity_jung.htm