Seeing may be believing but, says cognitive scientist Donald Hoffman, it shouldn't be. … Hoffman, a professor at University of California, Irvine, … has spent 30 years studying how perception misses the mark. … "Every bit of information that you process costs calories, meaning that's more food you need to kill and eat. So an organism that sees all of reality would never be more fit than one tuned only to see what it needs to survive."

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