Artificial vision: Berna Gómez spent six months working with researchers to test an experimental visual prosthesis that used an electrode array implanted into her brain’s visual cortex. Gómez had been ...
SALT LAKE CITY, June 29, 2009 – Experimental devices that read brain signals have helped paralyzed people use computers and may let amputees control bionic limbs. But existing devices use tiny ...
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