I believe that they did show the "threads" firing, and the neurons lighting up in response. I imagine that initially they will be focusing on blunter intervent

I believe that they did show the "threads" firing, and the neurons lighting up in response. I imagine that initially they will be focusing on blunter interventions into the brain, like detecting impending epileptic attacks, and send some sort of signal to try and interrupt it. I think such things already exist in a cruder form. It's going to be a long while, and a lot of iterations before you can expect to just "know" the contents of your latest text message.