TED-Ed

What causes the sensation of déjà vu? Dive into the theories and psychology that could explain why you’re having that feeling… again. -- You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attempt to explain the phenomenon of déjà vu. Michael Molina explains how neuroimaging and cognitive psychology have narrowed down the theories that could explain that feeling you're having...again. Lesson by Michael Molina, animation by Josh Harris. Sign up for our newsletter: http://bit.ly/TEDEdNewsletter Support us on Patreon: http://bit.ly/TEDEdPatreon Follow us on Facebook: http://bit.ly/TEDEdFacebook Find us on Twitter: http://bit.ly/TEDEdTwitter Peep us on Instagram: http://bit.ly/TEDEdInstagram View full lesson: http://ed.ted.com/lessons/what-is-deja-vu-what-is-deja-vu-michael-molina