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        CAT | Secret Life of the Brain

        Developed in the 1970s, CAT (or CT) scanning is a process that combines many 2-dimensional x-ray images to generate cross-sections or 3-dimensional images of internal organs and body structures (including the brain). Doing a CAT scan involves putting the subject in a special, donut-shaped x-ray machine that moves around the person and takes many x-rays.

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