“Can we edit the content of our memories? It’s a sci-fi-tinged question that Steve Ramirez and Xu Liu are asking in their lab at MIT. Essentially, the pair shoot a laser beam into the brain of a living mouse to activate and manipulate its memory. In this unexpectedly amusing talk they share not only how, but — more importantly — why they do this.”

Filmed June 2013 at TEDx Boston 2013
Uploaded to YouTube on August 15,, 2013 by TED