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Once a Cheater, Always a Cheater. Or So You think.

 Ever met someone you just don’t trust? Maybe it’s something about their face. Maybe you heard something about them from a friend that made you wince in disgust. Research shows that this distrust tends to be a stubborn figment in our imaginations—even when we learn that our reasoning for distrusting someone is unfounded, we have a hard time accepting that the person in question is trust-worthy. A group of cognitive psychologists from Japan wondered why this is the case. Their question: why is it that we’re so good at remembering people who are “cheaters?” Given that we’re social animals cooperatively working to make this thing called society work, is it possible that we’re hard-wired to explicitly identify others who take nefarious advantage of our cooperation? Perhaps evolution is at play, and we need this ability to continue to make society viable (Suzuki, Honma, and Suga, 2013). They wondered just that and decided to study this question with a series of experiments testing the durability of stigma participants held in their study.

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