Sensory retraining: Dennis Aabo Sørensen, of Aalborg, Denmark, who lost his left hand in a fireworks accident a decade ago, showing the sensory feedback enabled prosthesis he is testing in Rome. It’s far from the bionics of science fiction movies but is part of a major effort to create more lifelike, and usable, prosthetics. – AFP photo handout/Patrizia Tocci
Prosthetic hand allows amputee to feel and make fine distinctions between objects in his grasp.
THE human hand is a wonder of strength, sensitivity and discrimination – not only because of those four fingers and the opposable thumb, but because of the human brain that controls it. No wonder, then, that for those who design hand prostheses, re-creating the natural dexterity of the brain-powered hand is a daunting challenge.
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