This report reveals the lack of meaningful impact of intranasal oxytocin on trusting behavior, suggesting a reevaluation of its use in social contexts.
A recommendation of: Charlotte F. Kroll, Koen Schruers, Wolfgang Viechtbauer, Claudia Vingerhoets, Leonie Seidel, Arno Riedl, Dennis Hernaus Absence of a meaningful effect of intranasal oxytocin on trusting behavior: a registered report with pooled equivalence testing https://osf.io/94vrb/files/twd3c
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Romain Espinosa (2026) studied this question.
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