BrainGate[1] was the first BCI for paraplegics, which used Utah arrays to record from the motor cortex in order to guide movement. Matt Nagle[1] was one of the

BrainGate[1] was the first BCI for paraplegics, which used Utah arrays to record from the motor cortex in order to guide movement. Matt Nagle[1] was one of the first people to try it. I wonder what is different in this case. [1] http://en.wikipedia.org/BrainGate http://en.wikipedia.org/BrainGate [2] http://en.wikipedia.org/wiki/Matt_Nagle http://en.wikipedia.org/wiki/Matt_Nagle