New technology lets the paralyzed speak again – health

Brain-computer interfaces should enable people to speak again after a stroke: the idea has been around for a long time, but research is making progress. Two research groups are now presenting two approaches in the specialist journal Nature before. Both had surgically implanted an interface in a patient. In one study, she was able to express an average of 62 words per minute through her thoughts, in the other work a woman even managed 78 words per minute. This corresponds to about half the usual speaking rate in English of around 150 words per minute – and exceeds previous systems by more than three times.

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