New research reveals teleology in the design of the human brain. It has long since been known that the brain processes and categorizes different types of objects in different parts of the brain. A steak sandwich and a predator, for example, activate different areas of the brain. But the new research indicates that such differentiation is not merely for the purposes of processing different types of visual images. Instead, our cranial categories distinguish objects based on their inherent properties–objects are not categorized by mere appearance but, as one reporter put it, by the “subsequent consideration they demand.”
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