{"id":6677,"date":"2023-06-09T07:05:32","date_gmt":"2023-06-09T07:05:32","guid":{"rendered":"https:\/\/power2innovate.com\/stretchy-electronic-skin-responds-to-touch-and-pressure-like-real-skin\/"},"modified":"2023-06-09T07:05:32","modified_gmt":"2023-06-09T07:05:32","slug":"stretchy-electronic-skin-responds-to-touch-and-pressure-like-real-skin","status":"publish","type":"post","link":"https:\/\/power2innovate.com\/stretchy-electronic-skin-responds-to-touch-and-pressure-like-real-skin\/","title":{"rendered":"Stretchy electronic skin responds to touch and pressure like real skin"},"content":{"rendered":"

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\"An<\/div>
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E-skin is soft and stretchy enough to wrap around a finger<\/p>\n

Jiancheng Lai and Weichen Wang\/Bao Research Group\/Stanford University<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/p>\n

A patch of artificial skin can convert signals from pressure or heat sensors into brain signals \u2013 touching this electronic skin after it was connected to a rat\u2019s brain spurred the rat to kick its leg. This could be used to improve prosthetics for people who have skin damage.<\/p>\n

Weichen Wang<\/a> at Stanford University in California and his colleagues created a device called e-skin out of an electronic circuit and pressure and temperature sensors<\/a>, all crafted out of a thin and stretchy rubbery material. The team merged these components into one patch that easily conforms to uneven surfaces, such as a human finger. E-skin works by imitating biological skin, where nerves detect pressure or warmth and then send sequences of electrical signals, or \u201cpulse trains\u201d, to the brain.<\/p>\n

When it was heated or when pressure was applied to it, the e-skin\u2019s sensors sent signals into the circuit, which converted them into pulse trains. To do all this, the e-skin needed up to 1\/60th of the voltage used by older artificial skin devices. This could mean the e-skin won\u2019t heat up as much, making it more comfortable for longer use, says Wang. Any artificial skin<\/a> that could be used as a prosthetic<\/a> for people with skin injuries needs to be comfortable enough to wear for a long time.<\/p>\n

<\/p>\n

Skin sensations can trigger quick muscle movements, so the researchers connected the e-skin to the nervous system of a living rat to see whether it could do something similar. The team connected the electrodes in a patch of e-skin into the region of the brain that processes touch and temperature. They then put pressure on the device. The rat\u2019s brain reacted by firing more signals between neurons in the region that controls movement<\/a>. When the researchers routed those signals into the rat\u2019s leg through an insertable artificial synapse device, it kicked.<\/p>\n

\u201cThis is a clear demonstration: based on sensation, there were movements. And this is not a small thing, it\u2019s quite challenging work to get the electronics to work well enough for this,\u201d says Ravinder Dahiya<\/a> at Northeastern University in Massachusetts. However, he says that the e-skin may need even more sophisticated circuity to be used in place of large areas of skin<\/a>.<\/p>\n

The device transmits all sensory data straight into the brain unfiltered, but human skin doesn\u2019t handle sensory data this way. For instance, the pressure you exert on your fingertips as you hold a pen requires more attention from your brain than the sensations from skin on other parts of your hand, which are filtered out, says Dahiya.<\/p>\n

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Topics:<\/p>\n<\/section><\/div>\n\n
Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

E-skin is soft and stretchy enough to wrap around a finger Jiancheng Lai and Weichen Wang\/Bao Research Group\/Stanford University A patch of artificial skin can convert signals from pressure or heat sensors into brain signals \u2013 touching this electronic skin after it was connected to a rat\u2019s brain spurred the rat to kick its leg. …<\/p>\n","protected":false},"author":1,"featured_media":6679,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[4974],"tags":[1836,3322,127,1742,2299,5314,2507],"yoast_head":"\nStretchy electronic skin responds to touch and pressure like real skin - Innovation Discoveries<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/power2innovate.com\/stretchy-electronic-skin-responds-to-touch-and-pressure-like-real-skin\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stretchy electronic skin responds to touch and pressure like real skin - 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