The team has trained the al on their own brains. As they listen to stories inside the scanner, the computer watches what happens. What sort of Brain Activity are you looking for . Were looking for Brain Activity thats related to specific ideas or specific words that appear in the stories. So, for example, whenever you hear somebody talk about parking a car, there are certain patterns of activity in the brain that will be present that reliably correspond to that kind of idea. And were trying to build up that mapping from this very large data set. The computer looks for patterns in the vast amounts of data from the scanner. With enough training, it can translate Brain Activity into words. So the lead scientist is listening to a story for us. The war of the worlds. The martians in the pit had turned the heat ray on. A deep, throbbing sound, a silver pencil of light. And a narrow ribbon of bracken and grass and trees and houses stretching as far as the eye could see, was scorched. And this
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