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…it performs quick and dirty sketches of the world…

What does you may wonder. It’s description of the mind – mine & yours.

from The Evolution of Consciousness: The Origins of the Way We Think by Robert Ornstein

Like the rest of biological evolution, the human mind is a collage of adaptations (the propensity to do the right thing) to different situations. Our thought is a pack of fixed routines—simpletons. We need them. It is vital to find the right food at the right time, to mate well, to generate children, to avoid marauders, to respond to emergency quickly….

The mind evolved great breadth, but it is shallow, for it performs quick and dirty sketches of the world. This rough-and-ready perception of reality enabled our ancestors to survive better. The mind did not evolve to know the world or to know ourselves. Simply speaking, there has never been, nor will there ever be, enough time to be truly rational. “

Personally, I find that notion somewhat depressing.

This is much more like it. A 3D brain scan published in National Geographic this summer showing the neural pathways in the brain. Truly, a thing of beauty.