How Your Brain Sees the World
Common sense holds that your brain sees an object, and then recognizes it. But a new study shows that the reality may be the reverse. Your expectations shape what you see.
It was thought that the brain processed stimuli the way large companies process orders. Neurons at the bottom of a chain of command bring in data and pass it up the line. The higher level neurons take the raw data and either match it up appropriate responses, or if more work is necessary, add a little more data and pass it higher. The brain responded to external sources of data. A new study indicates that the brain actually processes stimuli the way large companies implement policies: from the top down. High level brain cells form an expectation of certain data, and hand it down to the lower neurons.
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- Nuclear fusion could someday provide the planet with a virtually limitless supply of clean energy.
- During the Vietnam War, Robert McNamara began a program called Project 100,000.
- Women and nonwhite candidates made record gains in the 2018 midterms.
- In total, almost half of the newly elected Congressional representatives are not white men.
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