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Sexual orientation, proceptivity, and receptivity in the male rat as a function of neonatal hormonal manipulation.

dc.creatorMatuszczyk, J. Vega
dc.creatorFernández-Guasti, A.
dc.creatorLarsson, Knut
dc.date.accessioned2017-06-30T04:03:01Z
dc.date.available2017-06-30T04:03:01Z
dc.date.issued1988es_ES
dc.identifier2473es_ES
dc.identifier.issn0018-506Xes_ES
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/7114
dc.identifier.urihttps://doi.org/10.1016/0018-506X(88)90008-6es_ES
dc.language.isoenges_ES
dc.relation22, 362-378 p.es_ES
dc.relationversión del editores_ES
dc.rightsacceso cerradoes_ES
dc.titleSexual orientation, proceptivity, and receptivity in the male rat as a function of neonatal hormonal manipulation.es_ES
dc.typearticlees_ES
dc.contributor.affiliationDepartment of Psychology, University of Giiteborg, Sweden, and Seccion de Terapeutica Experimental, Departemento de Farmacologia y Toxicologia, CINVESTAV-IPN, and Division de Investigaciones en Neurociencias, Instituto Mexican0 de Psiquiatria, Mkxico D.F., MLxicoes_ES
dc.relation.jnabreviadoHORM BEHAVes_ES
dc.relation.journalHormones and behaviores_ES
dc.identifier.placeLondreses_ES
dc.date.published1988es_ES
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, México.es_ES
dc.identifier.eissn1095-6867es_ES
dc.identifier.doi10.1016/0018-506X(88)90008-6es_ES
dc.description.abstractotrodiomaThe influence of neonatal androgen on the potential to exhibit feminine sexual behavior was investigated. Male rats castrated on Day 0 but not those castrated on Day 4 or later showed hop/darting, ear wiggling, and lordotic behavior in response to treatment with estrogen and progesterone in adulthood at a frequency equal to that of females. Neonatal treatment with testosterone propionate (1 mg/rat for 4 days) abolished the capacity to show these behaviors. In subsequent experiments, involving castration of mate rats at 0 or 4 hr after cesarean delivery, the effect of the postnatal surge of testicular secretions on the expression of female sexual behavior was investigated. No diiferences were seen in the frequency of hop/darting, ear wiggling, and receptivity between males castrated immediately or 4 hr after delivery. In a preference test where the experimental male could choose between an estrous female and a sexually active male, the neonatally castrated males preferred the company of a male when treated with estrogen and progesterone. The implantation of testosterone resulted in a preference for an estrous female. It was concluded that testicular secretions in the newborn male influence adult sexual orientation and suppress the ability to show proceptive and receptive behaviors.es_ES


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