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B1 Intermedio Inglés 6:36 Educational

What is Déjà vu?

Vsauce · 12,249,880 vistas · Añadido hace 3 semanas

Estadísticas de aprendizaje

B1

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5/10

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Subtítulos (78 segmentos)

00:00

Hey, Vsauce. Michael here. And today we're going to discuss déjà vu. What is it, and

00:06

why does it occur? You know, those moments where the current situation feels like it's

00:10

happened before? You're certain it has, but you don't know when, or how it became so familiar.

00:16

It's difficult to scientifically study déjà vu because there's no reliable way to cause

00:21

it to happen in people's heads in a laboratory.

00:24

But here's what we do know: humans don't seem to experience déjà vu until they're at least

00:29

8 or 9 years old. It's most frequent in your teens and twenties, and then tapers off as

00:34

you get older. So, it might have something to do with brain development. In fact, we

00:39

should probably go get ourselves a brain. That was easy. Now, like a stomach ache, déjà

00:45

vu may be a symptom with many possible causes. A lot of the popular theories about what causes

00:50

it involve a disconnect that may be occurring between the deep structures of the brain that

00:55

process our experiences unconsciously, and the parts of the brain that are conscious

01:00

of what they experience, process it, and then tell us what we're seeing.

01:04

For the sake of simplicity, let's begin with the visual system. Now, the brain sits in

01:09

your head like this, and your eyeballs are over here seeing things, sending that signal

01:13

to the back of the brain, the Occipital lobe, where visual cortex is. That's where the image

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