Still visualizing your brain as a globe, imagine millions of roads, highways, and bridges covering all areas, with trillions of streetlights on all of them. In some areas there are super-bright lights, in others the illumination is fainter. Some roads might look abandoned while others appear to be heavily trafficked. These are the electrical neural

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We will need detailed data on actual brains to create biologically based simulations. Markram’s team is collecting its own data. There are large-scale projects to gather this type of data and make it generally available to scientists. For example, Cold Spring Harbor Laboratory in New York has collected 500 terabytes of data by scanning a mammal

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