Prosthetic Limbs Allow Touch Sensation

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prosthetic handRecent experiments show progress toward the development of touch-sensitive prosthetic limbs. What makes these so advanced is their real-time interaction with the brain.

Researchers at the University of Chicago are working on the sensory aspects of prosthetic limbs. Touch and pattern experiments with monkeys, who have sensory systems resembling humans, have shown that specific patterns of neural activity are associated with natural object manipulation.

The group has been able to successfully reproduce these same patterns artificially, causing the same reactions in the monkeys. These findings are a step toward creating prosthetic upper limbs that incorporate a set of instructions to provide sensory feedback to the brain.

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