Researchers at the University of Washington have successfully tested a simple approach to help those who are paralyzed. Their method is to use a direct connection between nerve cells and muscles to reteach the brain. The brain-machine interface was used to teach monkeys with wrist paralysis to play a video game. While most scientists were trying to train them to make movements, the team used a biofeedback meter and applesauce (as reward) to change their brain activity.
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