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Stimulating brain cells can make false memories

By activating a subset of brain cells in mice, researchers changed the way the animals remembered a particular setting. To determine if they could alter the way a mouse remembered a setting by activating neurons associated with it, researchers attempted to change whether or not a mouse was afraid of a particular cage. Their experiements implicated neurons in the brain's dentate gyrus as being responsible for inducing the animal's false memory of their cage.
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