Steve Ramirez and Xu Liu: A mouse. A laser beam. A manipulated memory.

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 at TEDxBoston.)

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