Why Do People Suffer from Déjà Vu?

Déjà vu is when you feel like you've already seen something before, even though it's new to you. It’s like watching a movie for the first time and suddenly thinking, 'I’ve seen this scene before!' Scientists think it happens because your brain gets confused between memory and real-time experience.

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Examples

Walking into a store and thinking you've been there before, even though it's the first time.
Reading a sentence in a book and suddenly feeling like you’ve read it all your life.
Seeing someone for the first time but feeling like you know them well.

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Categories: Psychology · déjà vu· memory· cognitive psychology· neuroscience