• A brain implant turns “loser” mice into aggressive fighters

    8 days ago - By Ars Technica

    Enlarge / Could this be the first step toward the Mouse Guard from David Petersen's amazing comic book? (credit: From Mouse Guard, by David Petersen )
    It sounds like something out of a science fiction movie about making supersoldiers. Scientists have turned shy, low-ranking mice into aggressive fighters who almost always win in dominance competitions. And they did it by stimulating a part of the mouse brain that controls "effortful" behavior.
    Mice are social animals, and male mice establish a pecking order amongst themselves by displaying aggressive behavior. Though this aggression can...
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