Technology isnít just changing our lives. Itís literally changing our brains -- and maybe for the better. In this episode, Iím a human lab rat in a groundbreaking study at UC Irvine, where scientists test how playing 3D video games affects my spatial memory. Will 10 days of gaming improve my ability to physically navigate a giant, 60-foot maze? And will an fMRI machine detect any physical changes to my brain?

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