Show simple item record

dc.contributor.authorVuoksimaa, Eero
dc.contributor.authorEriksson, C.J. Peter
dc.contributor.authorPulkkinen, Lea
dc.contributor.authorRose, Richard J.
dc.contributor.authorKaprio, Jaakko
dc.date.accessioned2019-09-23T08:29:08Z
dc.date.available2019-09-23T08:29:08Z
dc.date.issued2010fi
dc.identifier.citationVuoksimaa, E., Eriksson, C. J. P., Pulkkinen, L., Rose, R. J., & Kaprio, J. (2010). Decreased prevalence of left-handedness among females with male co-twins: Evidence suggesting prenatal testosterone transfer in humans?. <em>Psychoneuroendocrinology</em>, 35, 1462-1472. <a href="https://doi.org/10.1016/j.psyneuen.2010.04.013">doi:10.1016/j.psyneuen.2010.04.013</a>fi
dc.identifier.otherTUTKAID_41820
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/65606
dc.description.abstractStudies of singletons suggest that right-handed individuals may have higher levels of testosterone than do left-handed individuals. Prenatal testosterone levels are hypothesised to be especially related to handedness formation. In humans, female members from opposite-sex twin pairs may experience elevated level of prenatal exposure to testosterone in their intrauterine environment shared with a male. We tested for differences in rates of left-handedness/right-handedness in female twins from same-sex and opposite-sex twin pairs. Our sample consisted of 4736 subjects, about 70% of all Finnish twins born in 1983–1987, with information on measured pregnancy and birth related factors. Circulating testosterone and estradiol levels at age 14 were available on 771 and 744 of these twins, respectively. We found significantly (p = .006) lower prevalence of left-handedness in females from opposite-sex pairs (5.3%) compared to females from same-sex pairs (8.6%). The circulating levels of neither testosterone nor estradiol related to handedness in either females or males. Nor were there differences in circulating testosterone or estradiol levels between females from opposite-sex and same-sex twin pairs. Birth and pregnancy related factors for which we had information were unrelated to handedness. Our results are difficult to fully explain by postnatal factors, but they offer support to theory that relates testosterone to formation of handedness, and in a population-based sample, are suggestive of effects of prenatal testosterone transfer.fi
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.relation.ispartofseriesPsychoneuroendocrinology
dc.rightsCC BY-NC-ND 4.0
dc.subject.otherpuolisuusfi
dc.subject.othersukupuolierotfi
dc.subject.othertestosteronifi
dc.subject.otherlateralityfi
dc.subject.othermasculinisationfi
dc.subject.otherprenatal testosterone transferfi
dc.subject.othersex differencefi
dc.subject.othertestosteronefi
dc.titleDecreased prevalence of left-handedness among females with male co-twins: Evidence suggesting prenatal testosterone transfer in humans?fi
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-201909114124
dc.contributor.laitosPsykologian laitosfi
dc.contributor.laitosDepartment of Psychologyen
dc.contributor.oppiainePsykologia (ytk)
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.date.updated2019-09-11T12:16:01Z
dc.description.reviewstatuspeerReviewed
dc.format.pagerange1462-1472
dc.relation.issn0306-4530
dc.relation.volume35
dc.type.versionacceptedVersion
dc.rights.copyright© 2010 Elsevier Ltd
dc.rights.accesslevelopenAccessfi
dc.format.contentfulltext
dc.rights.urlhttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.relation.doi10.1016/j.psyneuen.2010.04.013


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record

CC BY-NC-ND 4.0
Except where otherwise noted, this item's license is described as CC BY-NC-ND 4.0