>> hear the popcorn -- >> this is actually a brainstorm, the real thing. and by that you mean a burt. >> from hundreds the neurons over time. this is the alphabet of the brain. >> is it different to work with primat primates? obviously a lot of people bring up concerns about doing animal studies overall. what has been your experience in. >> for us, it's been the two decades we've not had any type of problem. the monkeys play the video games as a kid plays, and when they realize they can play a game without moving at all, just staring something and they get oranges, they start cooing. >> so this is her doing this. >> exactly. she has to put the cursor inside the ball.