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In a collaborative research study between scientists from the University of Pittsburgh and Carnegie Mellon University, monkeys were taught how to operate a robotic arm using only their brains. The mechanical arm, which includes a fully functional shoulder and elbow in addition to a simple “grip” mechanism, allowed the monkeys to feed themselves in the same way they do with real-life arms – directing the artificial arm with their minds. In order to enable the monkeys to control the robotic arm, 96 electrodes were attached to their motor cortex, a region of the brain responsible for voluntary movement. According to the scientists, in the future this technique could be used to enable humans to control their artificial body parts with a lot more ease and comfort. |
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