(London Guardian) A man who lost his left hand in a fireworks accident has described how he could feel things that he had not been able to feel for more than nine years after testing a bionic replacement with a sense of touch.
Dennis Sorensen, from Denmark, felt the shape and texture of objects during a month's trial in Rome of the robotic hand developed by Swiss and Italian scientists. "The sensory feedback was incredible," said the 36-year-old, whose experience may help pave the way for artificial "feeling" limbs. "When I held an object I could feel if it was soft or hard, round or square."
The artificial hand picks up electrical signals from artificial tendons controlling the movement of its fingers, which are sent down fine wires to four electrodes implanted in sensory nerves in the upper arm.
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