What Is Déjà Vu and Why Does It Happen?

What is déjà vu and why does it happen? Explore the neuroscience behind this mysterious phenomenon, from memor! Swipe to see →

WHAT IS DÉJÀ VU AND WHY DOES IT HAPPE...

You're in a place for the first time — a new restaurant, a street you've never visited, a conversation you've never had — but suddenly yo...

WHAT EXACTLY IS DÉJÀ VU?

The precise scientific definition: déjà vu is an intense and inappropriate sensation of familiarity with an experience the person knows, ...

THE MAIN SCIENTIFIC THEORIES

Your brain operates with two interconnected memory systems: short-term memory (hippocampus), which processes and contextualizes current e...

THE THREE TYPES OF DÉJÀ VU

Research identifies three distinct variants:

RELATED PHENOMENA

Jamais vu ("never seen") — The opposite: a sensation of strangeness with something completely familiar. Classic experiment: write the wor...

CHRONIC DÉJÀ VU: WHEN SOMETHING GOES ...

For some people, déjà vu isn't a passing phenomenon but a chronic and debilitating condition. Patients with persistent déjà vu report liv...

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