Why Does Déjà Vu Happen? Your Brain Is Playing Tricks on You

Added: 2026-06-03

[00:00:00]You're in a conversation and suddenly, you've been here before. Same [music] words, same moment. That eerie feeling, that's déjà vu. But your brain isn't replaying a memory, [music] it's misfiring one. Here's what's actually happening. Your brain processes experiences [music] in two streams, perception and memory. Normally, they're in sync, [music] but sometimes the memory stream fires a split second early, before perception finishes. So, your [music] brain labels the present moment as already remembered. It's not a glitch, [music] it's your brain working too fast. And it happens more when you're tired, stressed, or overstimulated. [music]