I saw the noble laureate Roald Hoffman speak on a variety of topics from chemistry (his main field) to poetry (he's also published poet) to philosophy and psychology. One statement he made that didn't sit well with me was regarding the innate human desire for simplicity.
This seems to be a basic assumption of theorists of the mind, that it is organized to process things efficiently (simply, recursively, etc.) Even when talking about the physiology of the mind, it doesn't seem like these theories are proven, exactly. People in the brain business then often make the mistake of importing their model of the mind too crudely onto the question of art. The worst is when people say "the brain wasn't built to do this (listen to music that is not in a key, for example), so you shouldn't try to make people do it, because you'll fail." The brain theorists have a hell of lot more work to do before they can explain conscious experience. Meanwhile, it's *your* brain. You should do what you want with it.