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Study · Measured the body's own peptide · 2005

2 results

Individual differences in male rat ejaculatory behaviour: searching for models to study ejaculation disorders.

Pattij T, de Jong TR, Uitterdijk A, Waldinger MD, Veening JG, Cools AR, van der Graaf PH, Olivier B

The European journal of neuroscience1 Aug 2005Cited by 95 (Europe PMC)

PMID16101754 (opens in a new tab)DOI10.1111/j.1460-9568.2005.04252.x (opens in a new tab)PepBankPUB-16101754
Publisher pagePubMedAsk about this study
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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

No result from this study comes from a test of the peptide.

Natural levels measured2

These results measure the body's own peptide. Nobody was given the peptide. They are not evidence about taking it. They are left out of key results, evidence counts and charts.

  1. 01AnimalEndogenous levelAnimal study (in vivo)Other

    In male rats, the total number of oxytocin neurones in hypothalamic subregions did not differ between sluggish, normal and rapid ejaculators.

    In plain wordsIn male rats, the body's own oxytocin-producing cells did not differ in number between slow, normal and fast ejaculators.

    Peptide
    Oxytocin
    Outcome
    No significant changeTotal number of oxytocin neurones in hypothalamic subregions
    Study

    ratn: not reported in source

    male rats grouped as sluggish, normal and rapid ejaculators
    Outcome group
    Sexual function · Reproductive and sexual health

    Source sentences

    Summary
    Although the total number of oxytocin neurones within subregions of the hypothalamus did not differ between groups
    1 context sentence
    Summary · context
    To this end, rats were matched into groups of 'sluggish', 'normal' and 'rapid' ejaculators based on their ejaculation frequencies displayed in a series of weekly sexual behaviour tests.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

  2. 02AnimalEndogenous levelAnimal study (in vivo)Other

    In male rats, more oxytocin neurones were activated in the supraoptic nucleus in rapid ejaculators than in the other groups.

    In plain wordsIn male rats, more of the body's own oxytocin cells were active in the supraoptic nucleus in fast ejaculators than in other rats.

    Peptide
    Oxytocin
    Outcome
    IncreaseActivated oxytocin neurones in the supraoptic nucleus
    Study

    ratn: not reported in source

    male rats grouped as sluggish, normal and rapid ejaculators
    Comparator
    Sluggish and normal ejaculators
    Outcome group
    Sexual function · Reproductive and sexual health

    Source sentences

    Summary
    in the supraoptic nucleus of the hypothalamus more oxytocin neurones were activated in rapid ejaculators compared with the other groups.
    1 context sentence
    Summary · context
    To this end, rats were matched into groups of 'sluggish', 'normal' and 'rapid' ejaculators based on their ejaculation frequencies displayed in a series of weekly sexual behaviour tests.

    This result measures the body's own Oxytocin. Nobody was given the peptide. It is not evidence about taking it.

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, 20:03 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 02:51 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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