Aquinas's Conceptual Thinking

Aquinas argues that conceptual thinking is not itself a material or corporeal operation. He insists it's an incorporeal operation that has to be accompanied by and piggybacking on a corporeal operation, namely the use of the imagination for mental images. So if you told him, oh, but I want to show you brain scans, he wouldn't roll his eyes. He would say, oh, yeah. Okay. Now I want to talk about potentiality and actuality, and then we'll kind of roll into essence and existence,.