What is Déjà Vu?!

Viewers like you help make PBS (Thank you 😃) . Support your local PBS Member Station here: https://to.pbs.org/PBSDSDonate I feel like I ve seen this video before… Subscribe: http://bit.ly/iotbs_sub Twitter: @okaytobesmart ↓ More info and sources below ↓ Follow on Twitter: http://twitter.com/okaytobesmart http://twitter.com/jtotheizzoe Follow on Tumblr: http://www.itsokaytobesmart.com Follow on Instagram: http://instagram.com/jtotheizzoe Most of us have felt it before, that strange sensation that you ve been somewhere or seen something before, as if you already remembered what s happening. Are you psychic? Nope, that s just déjà vu. Why does déjà vu happen? Well, scientists aren t completely sure, but they ve got a few good theories about it. Great déjà vu explainer from Jordan Gaines Lewis: http://www.gainesonbrains.com/2012/02/seeing-into-future-neuroscience-of-deja.html Some theories of why déjà vu happens: http://theconversation.com/explainer-what-is-deja-vu-and-why-does-it-happen-11355 And now for something completely different: https://www.youtube.com/watch?v=G2eUopy9sd8 Special thanks to Austin s Corona Cafe! Cast: Waiter - Joe Nicolosi (he s also the director) Sneezing girl - Kate Eads (she s also associate producer) Guy spilling coffee - John Knudesn (he s also gaffer) Have an idea for an episode or an amazing science question you want answered? Leave a comment below! ----------------- It s Okay To Be Smart is written and hosted by Joe Hanson, Ph.DFollow me on Twitter: @jtotheizzoe Email me: itsokaytobesmart AT gmail DOT com Facebook: http://www.facebook.com/itsokaytobesmart Google+ https://plus.google.com/+itsokaytobesmart For more awesome science, check out: http://www.itsokaytobesmart.com Produced for PBS Digital Studios Joe Hanson - Creator/Host/Writer Joe Nicolosi - Director Amanda Fox - Producer, Spotzen IncKate Eads - Associate Producer Andrew Matthews - Editing/Motion Graphics Katie Graham - Director of Photography John Knudsen - Gaffer Dalton Allen - Post-Production Intern Theme music: "Ouroboros" by Kevin MacLeod Other music via APM Stock images from Shutterstock ----------------- Last week s video: 5 Weird Involuntary Behaviors Explained: http://www.youtube.com/watch?v=ZE8sRMZ5BCA More videos: Why Are Some People Left-Handed? https://www.youtube.com/watch?v=NPvMUpcxPSA Why Did We Blow on NES Games? https://www.youtube.com/watch?v=4Gf9mtXnJfM The Science of Game of Thrones - https://www.youtube.com/watch?v=Utu-LpJn3Is There Was No First Human - https://www.youtube.com/watch?v=xdWLhXi24Mo How The Elements Got Their Names - https://www.youtube.com/watch?v=mtg9p6A6xnY