Skip to content

Study · Randomized controlled trial · 2013

3 results

Who is to blame? Oxytocin promotes nonpersonalistic attributions in response to a trust betrayal.

Klackl J, Pfundmair M, Agroskin D, Jonas E

Biological psychology29 Nov 2012Cited by 25 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study3

3 results from studies that gave the peptide. 3 results from people.

  1. 01HumanRandomized controlled trialMechanism

    In a trust game with betrayal, oxytocin strengthened the relationship between angry rumination and nonpersonalistic attribution of the opponent's behavior.

    In plain wordsIn a trust game, oxytocin strengthened the link between angry brooding and blaming the opponent's situation.

    Peptide
    Oxytocin
    Outcome
    IncreaseLink between angry rumination and nonpersonalistic attribution
    Study

    n: not reported in source

    Outcome group
    Social behavior and cognition · Mental health and mood
    Studied dose
    Dose not stated

    Source sentences

    Summary
    As predicted, OT strengthened the relationship between angry rumination about the event and nonpersonalistic attribution of the opponents' behavior and weakened the link between angry rumination and personalistic attribution.
    1 context sentence
    Summary · context
    Participants played a classic trust game in which the opponent systematically betrayed their trust.
  2. 02HumanRandomized controlled trialMechanism

    In a trust game with betrayal, oxytocin weakened the link between angry rumination and personalistic attribution.

    In plain wordsIn a trust game, oxytocin weakened the link between angry brooding and blaming the opponent's character.

    Peptide
    Oxytocin
    Outcome
    DecreaseLink between angry rumination and personalistic attribution
    Study

    n: not reported in source

    Outcome group
    Social behavior and cognition · Mental health and mood
    Studied dose
    Dose not stated

    Source sentences

    Summary
    As predicted, OT strengthened the relationship between angry rumination about the event and nonpersonalistic attribution of the opponents' behavior and weakened the link between angry rumination and personalistic attribution.
    1 context sentence
    Summary · context
    Participants played a classic trust game in which the opponent systematically betrayed their trust.
  3. 03HumanRandomized controlled trialMechanism

    In a trust game with betrayal, nonpersonalistic attribution mediated the interactive effect of oxytocin and angry rumination on how strongly investments were reduced.

    In plain wordsIn a trust game, blaming the situation helped explain how oxytocin and angry brooding changed later investments.

    Peptide
    Oxytocin
    Outcome
    Not applicableMediation of investment reduction by nonpersonalistic attribution
    Study

    n: not reported in source

    Outcome group
    Social behavior and cognition · Mental health and mood
    Studied dose
    Dose not stated

    Source sentences

    Summary
    Critically, nonpersonalistic attribution also mediated the interactive effect of OT and angry rumination on how strongly investments were reduced in the remaining rounds of the trust game.
    1 context sentence
    Summary · context
    Participants played a classic trust game in which the opponent systematically betrayed their trust.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    11 Oct 2026, 01:30 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:50 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

PepBank is a research reference. Talk to a doctor before you use any peptide.