Dopamine and Serotonin Play Different Roles in Social Decision-Making, Influencing Fairness and Rewards
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Study reveals dopamine and serotonin influence social decision-making by tracking rewards and punishments differently.
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Researchers measured dopamine and serotonin levels in patients' brains during an economic game, finding unique roles.
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Dopamine responds continuously to reward values, while serotonin evaluates offers case-by-case.
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High dopamine when playing humans suggests neurotransmitters underpin fairness concerns.
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Method enables investigating neurotransmitters' roles in diseases like Parkinson's and psychiatric disorders.