These models can actually output images that can be extremely close to the material present in training models:

- https://i.imgur.com/VikPFDT.png

I also don't know if I would anthropomorphize ML to that degree. It's a poor metaphor and isn't really analogous to a human brain, especially considering our current understanding, or lack thereof, of the brain, and even the limited insight we have into how some of these models work from the people who work on them.