They are just people teaching it. It is what software is, a translator. It's all just digital information. It all translates to zeros and ones in different patterns. It's really that simple.
Brainwaves are really just zeros and ones too.
You just need to bring the waves down to digital data. You just have to find some common ground or area to go off of and come back to while making sense out of it. Easy for you to say. All rights reserved.