Neuroscientists Restore Leg Movement in Nonhuman Primates

A collaboration of neuroscientists from the United States, China and Europe has used a wireless ‘brain-spine interface’ to bypass spinal cord injuries in rhesus macaques (Macaca mulatta), restoring intentional walking movement to a temporarily paralyzed leg. Conceptual and technological design of the brain-spine interface: rhesus macaques (Macaca mulatta) were implanted with a microelectrode array into the leg area of the left motor cortex; during recordings, a wireless module transmitted broadband neural signals to a control computer. (1) a raster plot recorded over three successive gait cycles; each line represents spiking events identified from one electrode, while the horizontal axis indicates time; (2) a decoder running on the control computer identified motor states from these neural signals; (3) these motor states triggered electrical spinal cord stimulation protocols. For this, the monkeys…

Link to Full Article: Neuroscientists Restore Leg Movement in Nonhuman Primates

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