Mind over matter A series of strokes left Cathy paralyzed for 15 years, unable to make even simple arm movements. Now, thanks to a tiny, 96-electrode implant in her brain’s motor cortex, she is learning to direct a robotic arm with her thoughts (Hochberg et al., 2012).
Reprinted with permission from Macmillan Publishers Ltd: Nature. Hochberg, L.R. et al. Reach and grasp by people with tetraplegia using a neurally controlled robotic arm. Nature 485, 372–375 (2012).