Thought control of limbs

In Pink Floyd’s song “Another Brick in the Wall,” the British school kids sing: “We don’t need no thought control.” That is, they don’t want teachers to control their thoughts. But what if you could use the power of your thoughts to control a robotic arm to simulate┬áthe┬ámovements of your limbs? Researchers at Brown University in Rhode Island have implanted a small device in the motor cortex of the brain that does just that. Check out the video at http://www.reuters.com/video/2012/05/16/paralysis-patient-tastes-freedom-through?videoId=235111028&videoChannel=2602.