A team of neurosurgeons has successfully implanted a device in paralyzed monkeys that allows them to walk, which may lead to improved care for humans with paralysis. Developed by a team led by neurosurgeon Jocelyne Bloch, the device can be turned on and syncs with brain signals to allow the patient to walk.

Bloch was able to place electrodes in the brain responsible for controlling leg movement and along the spinal cord. These electrodes communicate with a wireless transmitter on the outside of the skull and record muscle activity. Once turned on, the device was able to transmit signals from the brain.

"In a few seconds you saw the leg moving, and that's something that would not have happened naturally," said Bloch.

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