- Aug 6, 2007
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The Dark Side of Oxytocin
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"Nevertheless, oxytocin’s effects on social behaviour may not be modulated solely through pro-social emotions: oxytocin also enhances envy and gloating in a social game. According to research by Carsten De Dreu:
Human ethnocentrism—the tendency to view one's group as centrally important and superior to other groups—creates intergroup bias that fuels prejudice, xenophobia, and intergroup violence. Grounded in the idea that ethnocentrism also facilitates within-group trust, co-operation, and co-ordination, we conjecture that ethnocentrism may be modulated by brain oxytocin, a peptide shown to promote co-operation among in-group members. … Results show that oxytocin creates intergroup bias because oxytocin motivates in-group favoritism and, to a lesser extent, out-group derogation. These findings call into question the view of oxytocin as an indiscriminate “love drug” or “cuddle chemical” and suggest that oxytocin has a role in the emergence of intergroup conflict and violence.
Indeed, in another study de De Dreu reports
the results of a double-blind, placebo-controlled experiment showing that the hormone oxytocin promotes group-serving dishonesty. Compared with participants receiving placebo, participants receiving oxytocin lied more to benefit their groups, did so quicker, and did so without expectation of reciprocal dishonesty from their group members. A control setting ruled out that oxytocin drives self-serving dishonesty. These findings support the functional approach to morality and reveal the underlying biological circuitries associated with group-serving dishonesty."
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"Nevertheless, oxytocin’s effects on social behaviour may not be modulated solely through pro-social emotions: oxytocin also enhances envy and gloating in a social game. According to research by Carsten De Dreu:
Human ethnocentrism—the tendency to view one's group as centrally important and superior to other groups—creates intergroup bias that fuels prejudice, xenophobia, and intergroup violence. Grounded in the idea that ethnocentrism also facilitates within-group trust, co-operation, and co-ordination, we conjecture that ethnocentrism may be modulated by brain oxytocin, a peptide shown to promote co-operation among in-group members. … Results show that oxytocin creates intergroup bias because oxytocin motivates in-group favoritism and, to a lesser extent, out-group derogation. These findings call into question the view of oxytocin as an indiscriminate “love drug” or “cuddle chemical” and suggest that oxytocin has a role in the emergence of intergroup conflict and violence.
Indeed, in another study de De Dreu reports
the results of a double-blind, placebo-controlled experiment showing that the hormone oxytocin promotes group-serving dishonesty. Compared with participants receiving placebo, participants receiving oxytocin lied more to benefit their groups, did so quicker, and did so without expectation of reciprocal dishonesty from their group members. A control setting ruled out that oxytocin drives self-serving dishonesty. These findings support the functional approach to morality and reveal the underlying biological circuitries associated with group-serving dishonesty."
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