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A group of neuroscientist at Massachusetts General Hospital have developed new imaging technologies that reveals the actual architecture of the brain in 3D.
Diffusion spectrum imaging (DSI) is one of these twists. It uses magnetic resonance signals to track the movement of water molecules in the brain: water diffuses along the length of neural wires, called axons. Scientists can use these diffusion measurements to map the wires, creating a detailed blueprint of the brain's connectivity.