Human studies have shown that brain-machine interfaces could allow paralyzed people to operate complex devices by thought alone.


Researchers at Duke University Medical Center in Durham, North Carolina report that arrays of electrodes implanted in the brain could provide useable signals for controlling “neuroprosthetics”—brain-linked prostheses.



Such devices, which link the nervous system to a machine such as a computer, are known as neural interfaces.



The new research builds on an earlier study by Duke researchers in which monkeys learned to control a robot arm using a neural interface.



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