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Step toward artificial hand with a sense of touch

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Scientists are moving closer to an artificial hand that can feel: Implanted electrodes allowed some amputees to tell by touch how gently to grasp, letting them pluck fruit without crushing it. RELATED: New prosthetic technology helps patients 'feel' objects The two men told researchers at Case Western Reserve University that wiring some of their remaining nerves to a robotic arm — albeit only during visits to a lab — felt more like grasping objects with their own hand than with a tool. "This feels like normal sensation," one of the men, Igor Spetic of Madison, Ohio, said in an interview. When researchers touched different spots on his...

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