Researchers at the University of California, San Francisco, have enabled a paralysed man to regularly control a robotic arm using signals from his brain, transmitted via a computer.

A paralyzed man was able to move a robotic arm and fingers simply by imagining himself doing so, with the help of brain signals decoded through a computer.

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To improve accuracy, the participant practiced using a virtual robotic arm that provided feedback on how closely his imagined movements matched the intended actions.

To improve accuracy, the participant practised using a virtual robotic arm that provided feedback on how closely his imagined movements matched the intended actions.

Researchers at the University of California, San Francisco, have enabled a paralysed man to regularly control a robotic arm using signals from his brain, transmitted via a computer.