According to Popular Mechanics, researchers were able to use the thoughts of one person in order to control the physical actions of another, making a future where brain-to-brain communication will be entirely possible.
They recorded 100 neurons firing at once in the brain of a monkey. Believing they might be able to take this data and use it to perform a task, the team connected a probe into the area of the monkey's brain that controlled for arm movement. Then they gave the monkey a game to play: Using a joystick, the monkey moved a dot around on a screen until it entered a circle in the center. When the monkey moved the dot into the correct location, she received a reward of juice. Once they recorded the brain patterns that resulted from the movement, the team took the joystick away. The monkey was now able to move the dot around simply by imagining it move.
"Somehow she figured out that she could just imagine. She realized this is the prototype of a free lunch," Nicolelis said. The innovation was the grandfather of the brain-to-brain interface. "This was the first time a primate's brain liberated itself from the body," he said.
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