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article imageMonkey mind control

By Tim Sandle     Feb 22, 2014 in Science
In a remarkable study, the brain activity of one monkey was used to control the movements of a second, sedated animal. Scientists hope that the method will allow an individual to control a paralyzed body or limb.
Scientists used two rhesus monkeys to carry out a study into the ability of the brain to control a paralyzed body or limb, according to Red Orbit. To achieve movement, the researchers used a machine to covert the brain activity of one monkey, dubbed "the master," into electrical impulses applied to the spinal cord of a sedated animal, called the "avatar." Studies showed that the avatar moved in response to the stimulation.
Specifically, the scientists implanted a brain chip capable of monitoring 100 neurons into the master monkey, recorded the cells’ electrical activity during training, and then matched the patterns of neural activity with the physical actions of the monkey. The researchers also implanted 36 electrodes in the spinal cord of the avatar monkey, then tested how the activation of the electrodes could elicit different movements from the animal.
The team behind the project hope that the study will provide insight for how thoughts might be translated into movement of paralyzed patients. Lead scientist Ziv Williams, told BBC News: "The goal is to take people with brain stem or spinal cord paralysis and bypass the injury. The hope is ultimately to get completely natural movement, I think it’s theoretically possible, but it will require an exponential additional effort to get to that point."
The research has been published in the journal Nature Communications, in a paper titled "A cortical–spinal prosthesis for targeted limb movement in paralysed primate avatars."
More about Monkey, Minds, mind contorl, sedated, Paralysis
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