Soft and flexible electronics are bringing artificial “skin” closer than ever to reality.
. “Maybe we can someday help patients to not only restore motor function, but also restore their sensations.”
But, in a milestone, the device showed remarkable success in a lab rat. When researchers pressed the rat’s e-skin and sent electronic pulses to its brain, the animal responded by twitching its leg. “If you pick up a glass of beer and you can’t sense that it’s not cold, then you won’t get the right taste,” said, professor of electrical and computer engineering at Northeastern University in Boston, who is also studying the use of flexible electronics to develop artificial skin.
But the sensation of touch is complicated. Human skin has millions of receptors that sense when they are poked or pressed, squeezed or scalded. They react by sending electrical pulses to the brain, through nerves. The brain responds by sending information back, telling muscles to move.The Stanford team, led by chemical engineering professor, has been working on e-skin designs for several years.
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