That was my question as well, can anybody provide an answer? Will they need to clear out the scar tissue periodically?

Also, I'm unsure, but this might help prevent scarring and provide a closer to natural interface. http://www.sciencealert.com/scientists-build-an-artificial-n...

I like to keep tabs on this stuff, and would like one day to have an interfaced helper like Siri (Open source alternative of course) that I could use to help my memory.