By Andrew P. Napolitano
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Giving a high-five. Rubbing his girlfriend's hand. Such ordinary acts _ but a milestone for a paralyzed man.
Boninger adds that scar tissue can blunt the penetrating electrodes over time, and the surface chips may be easier to convert to a wireless system, which is important for commercial use.
A very similar firing occurs when you imagine movement or watch the movement you'd like to perform, explains Boninger, who with Schwartz is leading the Pittsburgh research together with a team of bioengineers, neuroscientists and physicians.