Have you ever experienced déjà vu? You know, the strong feeling an experience is familiar, while at the same time knowing it hasn’t happened before. Where does it come from
That’s the subject of today’s Just Explain It.
The truth is, even though 60 to 80 percent of us say we’ve experienced it, déjà vu stumps science as much as it stumps the rest of us. That’s because it happens so quickly and so randomly, it’s very difficult to study.
Because it’s so hard to study, scientists haven’t singled out a definitive reason as to why déjà vu – which means "already seen" in French – happens. There are, however, two prevailing theories.
One theory has to do with the areas of the brain that recognize familiarity and recall memories. Although they occupy different parts of the brain, they’re normally in sync. Some scientists theorize that déjà vu occurs when the part that recognizes familiarity misfires and creates a strong sensation of familiarity. They don’t know why it misfires, but it could be Read More »from Just Explain It: What Is Déjà Vu?