The evolution of the visual system may have allowed humans to think in different time domains, potentially accessing visual experiences through dreaming.

“I think the evolution of the visual system allowed us to think in different time domains I think things like dreaming in liminal States give us access to visual experiences that are impossible in regular conscious perceptual States impossible right I mean I had a dream the other day where I was in a taxi and then all of a sudden I was someplace else I mean this is not real right but the brain can learn things in those States I mean it can learn about new rule sets new possibilities of rule sets”