![]() A study published in Current Directions In Psychological Science in 2008 found that déjà vu can often be related to things you've seen and done, even if you don't remember it. The feeling of familiarity could be happening because you've actually had the same experience in the past but simply don't remember it. Sometimes when you have déjà vu it might not actually be déjà vu at all. Look at things more closely, though, and the feeling will likely dissipate. This is called the split-perception theory if you're looking at your phone or distracted by something else, and only glance around quickly, your perception might be split into two parts rather than one, and makes your hippocampus slightly confused. You're Not Paying AttentionĪpparently, the more distracted you are, the more likely you are to experience déjà vu. If you're wondering what your brain is trying to tell you, though, this is what déjà vu might communicate. "This occurrence gives us the sense that we have seen or experienced something before." This misfiring is often nothing to worry about a 2003 study published in The Journal of nervous and mental disease found that over 70% of people experience it. "One section of the hippocampus, a small curved part of the brain, activates two different neural circuits which concurrently absorb your present experience while the second circuit assesses memories," she says. ![]() Scientific American reported in 2014 that small seizures in the brain responsible for memory formation and retrieval could be the reason something suddenly feels familiar, despite your having never experienced it before.Ĭognitive scientists actually know exactly what happens in your brain when you experience déjà vu, neuropsychologist Sanam Hafeez, Psy.D. While déjà vu, which is French for "already seen," can make you feel like you've known someone or been somewhere before, it's likely all in your head, according to science. ![]() However, there are things your brain is trying to tell you when you experience déjà vu. ![]() If you've ever had déjà vu - that feeling that what you're currently doing has already happened - then you know it can feel like being in the twilight zone. ![]()
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