For the first time scientists have been able to restore the ability to grasp with a paralysed hand using spinal cord stimulation. There is currently no cure for upper limb paralysis. This can be caused by a stroke or spinal injury.
Researchers at Newcastle University, working with macaque monkeys, have shown that by connecting the brain to a computer and then the computer to the spinal cord, it is possible to restore movement.
"Much of the technology we used for this is already being used separately in patients today, and has been proven to work. We just needed to bring it all together.
"I think within five years we could have an implant which is ready for people. And what is exciting about this technology is that it would not just be useful for people with spinal injuries but also people who have suffered from a stroke and have impaired movement due to that. There are some technical challenges which we have to overcome, as there is with any new technology, but we are making good progress."
"Animal studies such as ours are necessary to demonstrate the feasibility and safety of procedures before they can be tried in human patients, to minimise risk and maximise chance of successful outcomes."
"Being able to restore dexterous hand movements to patients paralysed by stroke or spinal cord injury would be a huge improvement to their independence and quality of life. The Newcastle University team's research, which harnesses the intact portions of the nervous system and creates new artificial connections, is at the cutting edge of neuro and rehabilitation science. When used alone or in combination with other rehabilitation approaches, this technique could lead to significant improvements in hand function and transform the lives of paralysed patients."
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