16.04.2021

Mind-controlled exoskeleton allows paralysed wow to walk

Researchers in a University of Grenoble as part of France developed the technology that translates brain waves into mechanical movement.

A French man video camera became  quadriplegic in the aftermath of an accident four years ago   has walked for the second time around with the aid of a revolutionary mind-controlled exoskeleton.

The 28-year-old man, identified only as Thibault, was paralysed after falling from a balcony in 2015.

Since then, his spinal cord had not been able to transmit signals from his brain to his limbs.

Thibault

At first, Thibault practiced on controlling a computer avatar, now he has learned to move all four limbs of the exoskeleton suit  AFP

In 2017, researchers implanted two sensors in Thibault’s skull, in either side of the sensorimotor cortex, the part of the brain which controls movement.

The electrodes were able to detect Thibault’s brain signals and a computer algorithm processed them within 350 milliseconds. The algorithm translated the brain’s electrical impulses into the mechanical suit.

The result was Thibault moving, using the power of his mind.

Initially, he practiced on controlling a computer avatar, but he has since learned to move all four limbs of the exoskeleton suit.

“Throughout the 24 months of the study, the patient did various mental tasks to progressively increase the number of degrees of freedom,”  researchers said in the study, which was published in the  Lancet Neurology daybook   around Friday.

Scientists take this is a groundbreaking discovery.

“What was performed was gestures of an avatar on projector screen and an exoskeleton in every one four limbs, ”  Tom Shakespeare,   professor of incapacity research at the London Faculty of Hygiene and Mattresses Medicine, told Al Jazeera.

“And that’s new. It’s rarely been done from the brain balance controlling all four limbs. For that reason that’s exciting for this url of research, ” William shakespeare added.

Thibault

Researchers implanted two sensors in Thibault’s skull either side of that sensorimotor cortex, the part of dapoxetine which controls movement AFP

Robotic military assistance has been developing briskly in recent years, but experts articulate harnessing brain power is still a relatively new invention.

“There are different technologies whether it’s wheelchair, whether it’s voice control… people with quite high levels of tetraplegia are able to supraveghere electric wheelchairs by smoking and sucking with a accessory, ” Shakespeare said.

“So, if this brain implant is really to transform that, and bring the get of people by their thoughts containing their mobility and their climate, it’s got a long way to go, alone he added.  

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