Somewhere in his writings he calls it a "user illusion". I _think_ what he means is that nature selects for the creatures that attach a lot of "weight" to their

Somewhere in his writings he calls it a "user illusion". I _think_ what he means is that nature selects for the creatures that attach a lot of "weight" to their sensory inputs. In other words, if we perceived our thought processes as they really are (as a purely material computation by our brains), our evolutionary fitness would be lower.