[voice over] Researchers are currently working on a map of the human brain. It may be the most complex map ever created. Billions of neurons making trillions of connections. At first glance, they seem completely random. But there's nothing random about them. All these connections have to happen in a specific pattern. It is designed for a function. These connections determine everything about us. What we love, what we hate, what we say, what we do. [speaking] Every action we take.
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