prosthetics

Young Liam was born with amniotic band syndrome (causing the fingers of his right hand to not develop during gestation), but with the help of a 3D printed prosthetic he is now able to regain some functionality. And, the look on his face is one of pure joy. Via: Future Jam

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Now one research group is reporting a major step toward a touchy-feely prosthetic. A team of researchers from the University of Chicago and Johns Hopkins University performed a series of experiments that showed they could send electrical signals directly to the brains of rhesus macaques and that the macaques were able to interpret the signals as touches on different parts of their hands. Another series of experiments showed rhesus macaques could interpret different direct-to-brain signals as touches of varying pressure. A third explored whether direct-to-brain signals work quickly enough to be able to accurately tell macaques when a prosthetic is touching something and when it stops the touch.
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