They showed a card saying WALK to a split-brain patient such that only their left eye saw it. Because of the way the brain’s wired up, this information was sent into the right hemisphere. And, because the wiring between their hemispheres had been cut, that’s where it stayed, hidden away from the narrator. So what happened? The patient stood up and walked. When the experimenters asked him why, he said, ‘I’m going to get a Coke.’ His brain observed what was happening, in his neural realm, and made up a cause-and-effect story to explain it. It confabulated.