Boring Facts About Why We Get Déjà Vu to Fall Asleep To

In this calm and deliberately boring episode, you'll listen to hundreds of quiet facts about why we get déjà vu, that strange, fleeting feeling that something happening right now has somehow happened before. We take a slow and unhurried look at what déjà vu actually is and why it happens, since the feeling arrives suddenly, lasts only a moment, and then fades, leaving the mind oddly certain that a fresh experience is really a memory. Along the way, we cover what the French phrase itself means, how common the feeling is, and the main ideas scientists have for what causes it, from a new scene resembling a half-forgotten old one, to a small slip in the timing of the brain's signals, to a familiarity signal firing on its own with no real memory behind it. We look gently at how recognition and recall usually work together and how déjà vu may be the moment they come apart, why the feeling is so hard to study, and why it tends to fade as people grow older. There are many overlooked details, including why the sense that you know what happens next is almost always mistaken, how tiredness and travel may bring it on, and the related feelings of jamais vu and the tip-of-the-tongue state. Nothing here is dramatic, and nothing needs to be remembered. Tonight, as you listen, you can simply rest inside the thought that even the most ordinary subject contains more quiet details than anyone could ever notice at once.