“我们的终极目标是,利用这项技术使瘫痪人士重获完全自然运动的能力。”一位研究人员说,“我认为这在理论上是可行的,不过还需要更多努力才能实现。”
It may sound like the kind of mind control seen in sci-fi film Avatar, but scientists working on a cure for paralysis have successfully used the thoughts of one monkey to control the movement of another.
The study's co-author, Maryam Shanechi of Cornell University's School of Electrical and Computer Engineering, said: We demonstrate that a subject can control a paralysed limb purely with its thoughts.'
The discovery 'could have the potential to help paralysed patients regain control of their own limbs,' she added.
The master had a brain chip implanted that could monitor the activity of up to 100 neurons.
During training, the physical actions of the monkey were matched up with the patterns of electrical activity in the neurons.
The avatar had 36 electrodes implanted in the spinal cord and tests were performed to see how stimulating different combinations of electrodes affected movement.
The two monkeys were then hooked up so that the brain scans in one controlled movements in real time in the other.
A computer then decoded and relayed neural signals between the two.
The first monkey, dubbed the 'master', was restrained in a special chair in front of a computer screen showing a cursor and a green circle alternating between two spots.
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2020-09-15
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