Medical boon, or the first step toward 'The Terminator?'

Human brain cells have been spliced to computer circuits.

This strikes me as really dicey territory. There is an obvious upside: brain damaged people, for example, regaining use of their faculties. But the down side is enormous.

I get a queasy feeling about this story. Maybe it's that I'm reading The Butlerian Jihad right now.

What do you think?