New Prosthetic Restores Sense Of Feeling



/ 3 years ago

Hand

Medical technology appears in the news every few weeks, for all kinds of reasons, from being able to control them with a cap placed over your head to giving a man who was unable to walk the ability to do so again. The reasons for this constant stream of news is quite simple, medical technology is developing at an amazing rate, especially those related to giving back something to those who have suffered the loss of a body part or ability to do something with their body. The latest piece of news comes from DARPA (Defence Advanced Research Projects Agency), and it features a little more than a visible result.

Made under the DARPA’s Revolutionizing Prosthetics, the latest prosthetic has given someone the ability to feel again after their arm was paralysed due to a spinal cord injury almost a decade ago.

The DARPA project manager, Justin Sanchez, stated that:

“We’ve completed the circuit. Prosthetic limbs that can be controlled by thoughts are showing great promise, but without feedback signals traveling back to the brain it can be difficult to achieve the level of control needed to perform precise movements.”

In the first set of tests, the researchers touched the hands fingers gently while the volunteer was blindfolded. With nearly 100% accuracy he was able to report which mechanical finger was being touched, the description that he provided was that it was as if his own hand was being touched. At one point, in an impromptu experiment, the researchers decided to press two fingers instead of one, breaking any perceived order that could have been guessed, it was at this point where a joke was made in response asking if they were trying to play a trick on him.

With the ability to produce prosthetics at an ever decreasing cost, with even more functionality and now with actual control and feedback, we could soon be looking at prosthetics that are controlled and feeling just like the human body would.

Thank you DARPA for providing us with this information.

Image courtesy of DARPA.

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