The brain's visual neurons continually develop predictions of what they will perceive and then correct erroneous assumptions as they take in additional external information, according to new research done at Duke University.
Throughout our history, mankind has created tools the same way,
essentially using the top-down approach. Think about it. In the stone
age, a sharp cutting tool was fashioned by using a larger stone to chip
away pieces until the cutting stone was sharp enough. Today, a computer
chip is made by a large laser that etches the circuits into a piece of
silicon.
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