To recap, I’ve been looking at paintings and drawings in the West before and after transitions to linear logic, since I wanted to see when true perspective (which occurs in the late concrete operational stage in children) appears historically. True perspective (e.g. receding train tracks or the equivalent) only seems to appear in periods where a significant portion of the population is literate and educated. It appeared in Classical Greece and Rome, and it appeared in the Renaissance, but is not a human universal. Continue reading
So far all the art I’ve looked at is primitive and flat – there is no sense of portraying three dimensions in two.
Things get more interesting as people start living in cities. (I’m looking here at the Mediterranean and Middle East.) There’s still a lot of flat art, but also a lot of people portrayed in detail in organized scenes. You may get people or animals directly behind or in front of others, but it’s a simple layering that says one is behind the other, not a true sense of depth. Continue reading