Murugesu is a journalist by the name of jason arunn.
A primate.
A man named Ivan Kmit and a woman named Alamy.
Three partially paralyzed monkeys have regained movement in their arms.
Marco Capogrosso is a professor at the University of Pittsburgh. He says that arm movements are more complicated than leg movements.
The use of electrical stimulation on paralysed arms has been done before, but the surgeries require a lot of machine-learning software.
With no translation of nerve signals by a computer, Capogrosso and his colleagues wanted to see if an alternative form of spinal cord stimulation could be a simpler and more effective method of restoring movement in upper limbs.
The team took multiple scans of the monkeys' backs. They were able to design a device that would specifically target the primate's neck nerves that control hand and arm movements.
The left arms of the monkeys were paralyzed. After the operation, the animals were given pain medication.
The monkeys were implanted with an electrical device in their neck that stimulated the nerves in their neck. Nerve cells that had survived paralysis were amplified by this. The majority of paralysis cases have some spare connection.
Before the stimulation was turned on, one monkey was unable to reach for an object with their paralyzed arm, while two other animals were able to reach for an object, but couldn't pull it towards them.
The first monkey was unable to grasp or pull an object after stimulation was turned on. The stimulation was turned on a week after the other two animals grasped and pulled objects.
The monkeys did not gain control of their fingers during the six week experiment. The stimulation doesn't seem to be able to recover the ability to write or play the piano
He is confident that the technique will work in humans. He says that this is the power of research. This is likely to work in humans.
People with post-stroke paralysis are being recruited to participate in a trial in the US. He says it will be a few years before the first results are seen in humans.
The University of California's CharlesLiu thinks that this kind of work is very interesting. Functional neuro-restoration will be an important strategy for the treatment of the spine.
The work reported by the authors is a clear demonstration of the vast potential of this approach, and the results will most certainly improve as we learn more about spine function.
Nature Neuroscience is published in a journal.
There are more on this topic.
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