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Study · Randomized controlled trial · 2012

2 results

Oxytocin, but not vasopressin, increases both parochial and universal altruism.

Israel S, Weisel O, Ebstein RP, Bornstein G

Psychoneuroendocrinology28 Feb 2012Cited by 55 (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 study2

2 results from studies that gave the peptide. 2 results from people.

  1. 01HumanRandomized controlled trialEfficacy outcome

    In a double-blind placebo-controlled study, intranasal oxytocin increased the willingness to cooperate at both local and global levels.

    In plain wordsIn a placebo-controlled study, oxytocin raised people's willingness to cooperate with their own group and with other groups.

    Peptide
    Oxytocin
    Outcome
    IncreaseWillingness to cooperate (local and global levels)
    Study

    n: not reported in source

    Comparator
    Placebo
    Outcome group
    Social behavior and cognition · Nervous system and cognition
    Studied dose
    Dose not stated · intranasalAs given in this study (human).

    Source sentences

    Summary
    We find that oxytocin causes an increase in both the willingness to cooperate and the expectation that others will cooperate at both levels.
    1 context sentence
    Summary · context
    In a double-blind placebo controlled study, we investigated the influence of intranasally administered oxytocin and arginine vasopressin on cooperative behavior at local and global levels.
  2. 02HumanRandomized controlled trialEfficacy outcome

    In a double-blind placebo-controlled study, intranasal oxytocin increased the expectation that others will cooperate at both local and global levels.

    In plain wordsIn a placebo-controlled study, oxytocin raised people's expectation that others would cooperate, within and between groups.

    Peptide
    Oxytocin
    Outcome
    IncreaseExpectation that others will cooperate (local and global levels)
    Study

    n: not reported in source

    Comparator
    Placebo
    Outcome group
    Social behavior and cognition · Nervous system and cognition
    Studied dose
    Dose not stated · intranasalAs given in this study (human).

    Source sentences

    Summary
    We find that oxytocin causes an increase in both the willingness to cooperate and the expectation that others will cooperate at both levels.
    1 context sentence
    Summary · context
    In a double-blind placebo controlled study, we investigated the influence of intranasally administered oxytocin and arginine vasopressin on cooperative behavior at local and global levels.

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.

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