Another team set up a connection that made it possible for a human to wiggle a sleeping rat's tail. Other research teams have previously established brain-to-brain links: Earlier this year, one team announced that they hooked up the brains of two lab rats in North Carolina and Brazil to swap brain signals. The next step is having a more equitable two-way conversation directly between the two brains." "This was basically a one-way flow of information from my brain to his. "It was both exciting and eerie to watch an imagined action from my brain get translated into actual action by another brain," Rao said. Hitting the space bar caused the video-game cannon to fire, just as if Stocco. "You know that your eye is twitching, but you don't know when it's coming." "It was akin to the sensation when your eye twitches," Stocco told NBC News. Nevertheless, when Rao thought about making a hand motion, Stocco's right hand moved involuntarily to push the space bar. Stocco wasn't watching a computer screen, and wasn't in direct contact with Rao. The system was set up to transmit Rao's right-hand brain signals to Stocco's computer over the Internet, and then to translate those signals into a magnetic pulse in Stocco's brain cap. That hand was poised over the space bar on a computer keyboard. Meanwhile, on the other side of the UW campus, Stocco wore a cap that was equipped with a magnetic coil, placed directly over the region of his brain that controls his right hand. When it was time for Rao to shoot the cannon, he imagined moving his right hand to hit a "fire" button - while making sure not to move the hand in real life. The EEG machine read Rao's brain activity while he watched a simple cannon-shooting video game unfold on a video screen. 12, Rao sat in his lab, wearing a cap with electrodes hooked up to an electroencephalography machine. Rajesh Rao, a computer science and engineering professor at the University of Washington, played the part of the puppetmaster. Stocco played the role of the mind slave in the experiment.
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