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May-Britt Moser was born in 1963 in Lillehammer, Norway. She is a neuroscientist who is best known for her work on the hippocampus, a brain region that is involved in memory and spatial navigation. In 2004, she shared the Nobel Prize in Physiology or Medicine with her husband Edvard Moser and their colleague John O'Keefe for their discoveries about the brain's positioning system.