ore than a decade after becoming paralysed from the neck down, Erik Sorto has been unable to perform even the simplest of daily tasks. "That was the ultimate goal: to drink a beer by myself," said Sorto, a 34-year-old from Los Angeles who became a quadriplegic after a 2002 gunshot wound. Things may be looking up for Sorto and others with similar disabilities. Scientists on Thursday described a better way to harness mind power to move prosthetic limbs.
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