I think researchers have glimmers. There was a TED talk about the difference between ape brains and ours, researchers kinda understand ape brains. The differenc

I think researchers have glimmers. There was a TED talk about the difference between ape brains and ours, researchers kinda understand ape brains. The difference between ape and human in terms of evolution is a few millions of years, they seem to think that evolution won't have made a massive leap in that time. So ape brain isn't too different from human brain.