As if tech isn't enough of a hyper specialized mess already now we're throwing biologists into the mix. "Sorry we need to wait for the registered nurse to fix your machine I'm not authorized to administer meds through the CPU's IV"
From a read of that article, it appears that they are feeding it analog inputs, which would imply that it is producing analog outputs. I don't know if there is a way to evaluate floating point operations on an analog system. That said, my knowledge is very cursory, and someone will surely correct me.