What does science say and what are the curiosities of this phenomenon?

If you’ve ever felt like a scene or an episode you’re going through in your life, you’ve already experienced itYou are experiencing a certain, but familiar, sensation called a “deja vu”.

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The term “déjà vu” he translated means “I already saw” in Frenchnamed after the French researcher Emile Poirac in his book L’Avenir des sciences psychiques (The future of psychological sciences).

According to an article published in Asociación Educar, an online platform specializing in neuroscience courses and publications, ‘Déjà vu’ or paramnesia is a psychological reaction that causes the brain to convey to the person that they have been where they are without being there at all.

According to experts, this sensation is said to be It lasts between 10 and 30 seconds It has an unpredictable and fleeting nature associated with the process of memory and human consciousness.

What does science say about this phenomenon?

at the moment There are many theories in the aspect of neurosciencewho tries to explain this phenomenon. Among those found was the suggestion of Alan S. Brown, a psychologist at Southern Methodist University in Dallas, US.

The psychologist and author of The Déjà vu Experience presents a typology of various scientific explanations regarding “déjà vu”. here they are.

1. Double processing

The central idea of ​​this interpretation, It is a ‘déjà vu’ statement as the result of two parallel, simultaneous perceptual processes that are temporarily out of sync.

This desynchronization may be due to Not having one process when the other is activated or what The brain encodes and retrieves information at the same timez, that is, two correlated pathways that are normally separated are merged.

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2. Nervousness

“déjà vu” is an episode produced because of a Brief dysfunction or interruption in the temporal cortex circuit, involved in the experience of remembering lived situations. This fact generates a “false memory” of the situation.

This theory has been justified by studying epilepsy patients in the temporal cortex They often experience “déjà vu” before suffering one of their attacks.

By measuring the neural movements in the brains of these patients, the scientists were able to Identify the areas of the brain where déjà vu signals begin and how, by stimulating those same areas, that sensation can be produced.

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3. Manisk

Define “déjà vu” as a file Experience resulting from the similarities and overlaps between past and present experiences.

Psychologist Anne M. Cleary, who researches the neural underpinnings of ‘déjà vu’, posits this phenomenon as A normal metacognitive mechanism that occurs when a past experience resembles the present and, therefore, makes us believe we have already been there.

4. Double perception or attention

It is said that this phenomenon is caused by a Temporary distraction for the brain right after part of a scene is captured.

When that interest is restored and full capture is made, a strong sense of familiarity is attributed to that scene without realizing its origin, giving a feeling of a “false memory”as it was tacitly and unconsciously recorded.

(Benefit: habits restore memory despite old age).

Deja vu curiosity

-almost two out of three people Have you experienced this phenomenon at some point in your life?

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incidence rate ‘déjà vu’ decreases with age.

It is more common in people who Travel and have fairly liberal beliefsBe it in the political or religious system.

– People experience this phenomenon when they are Do relaxing activities with friendsalthough an early stage of fatigue or stress precedes this phenomenon.

relatively short duration, It lasts about 10 to 30 seconds It is more common in the afternoons than in the mornings and on weekends.

-he 14% Of the people who reported that they experienced this phenomenon only once or twice in their lives, the 19% three or four times 23% Five to eight times and 44% nine times or more.

– Some data concluded that This phenomenon is more common among patients with schizophrenia than among ordinary peoplealthough the experiment can last for several minutes or hours.

– Although people’s emotional reactions to this phenomenon are varied, They are generally positive and display curiosity or surprise.

– was the phenomenon Scientific Spotlight Since 1800and offering more than 30 different interpretations of it.

-the term It began to be used in the late nineteenth century.although the exact date was not specified and its use did not become popular until decades later.

Maria Camila Salas V

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