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Low intrasexual competitiveness and decreasing testosterone in human males (Homo sapiens): the adaptive meaning

dc.creatorBorráz-León, Javier I.es_ES
dc.creatorCerda-Molina, Ana Liliaes_ES
dc.creatorRantala, Markus J.es_ES
dc.creatorMayagoita-Novales, Lilianes_ES
dc.creatorContreras-Garduño, Jorgees_ES
dc.date2019
dc.date.accessioned2022-12-15T18:45:48Z
dc.date.available2022-12-15T18:45:48Z
dc.date.issued2019
dc.identifierJC32NC22es_ES
dc.identifier.issn0005-7959
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/7658
dc.identifier.urihttps://doi.org/10.1163/1568539X-00003578
dc.descriptionThe development of indirect mechanisms of intrasexual competition (e.g., visual identification of possible rivals) could be related to personality traits such as aggressiveness and self-esteem. However, the study of endocrine changes associated to indirect mechanisms of intrasexual competition is scarce. The aim of this study was to investigate the changes in testosterone levels after a rival choice test in men and how intrasexual competitiveness, aggressiveness, and self-esteem modulate these changes. A group of 160 healthy men answered four personality questionnaires, participated in a rival choice test, and donated saliva samples to measure the changes in their testosterone levels. We found a significant decrease in testosterone levels of men with lower intrasexual competitiveness, but testosterone levels remained stables in competitive men. Non-significant results were found for aggressiveness and self-esteem. These decreases in testosterone levels could be interpreted as an adaptation aimed to reduce costs in male-male contests in Western modern societies.es_ES
dc.formatPDFes_ES
dc.language.isoenges_ES
dc.publisherBrill Academic Publisherses_ES
dc.relation157(1)1-15
dc.rightsAcceso Cerradoes_ES
dc.titleLow intrasexual competitiveness and decreasing testosterone in human males (Homo sapiens): the adaptive meaninges_ES
dc.typeArtículoes_ES
dc.contributor.affiliationDepartment of Ethology, National Institute of Psychiatry “Ramón de la Fuente Muñiz”, Mexico City, Mexico
dc.contributor.emailborraz@comunidad.unam.mx (Borráz-León Javier I.)
dc.relation.jnabreviadoBEHAVIOUR
dc.relation.journalBehaviour
dc.identifier.placePaíses Bajos
dc.date.published2019
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñiz
dc.identifier.eissn1568-539X
dc.subject.kwIntrasexual competition
dc.subject.kwAggressiveness
dc.subject.kwSelf-esteem
dc.subject.kwTestosterone.


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