Device gives sight to the blind – using their tongues

Date:20 March 2013 Tags:, , , , ,

Watch Erik Weihenmayer, the first blind person to climb Everest and achieve the Seven Summits, experiment with Wicab’s BrainPort – a revolutionary device that enables the blind to see using their tongues.

Mounted on Weihenmayer’s head is a small video camera that translates visual information to a credit card-size tongue display. 400 tiny pixels present electrical patterns on his tongue, which his brain then interprets as a visual picture in three-dimensional space. He uses the device to read words and numbers on note cards, to play tic-tac-toe and stone-paper-scissors with his daughter, and to rock climb.

Read more about fine-tuned prostheses in PM’s April 2013 issue – on sale 25 March.

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