Now showing items 1-5 of 5

    • Behavioral responses to emotional challenges in female rats living in a seminatural environment: The role of estrogen receptors 

      Le Moëne, Olivia; Ågmo, Anders j (Journal article; Tidsskriftartikkel; Preprint; Manuskript, 2018-11-06)
      Estrogen receptors (ERs) are involved in sexual as well as non-sexual behaviors. In the present study we assessed the effects of stimuli inducing positive or negative affect on sociosexual, exploratory and fear-related behaviors of female rats housed in groups (4 females, 3 males) in a seminatural environment. Ovariectomized females were treated with oil, 17β‑estradiol benzoate (EB, 18 μg/kg), the ...
    • Modeling Human Sexual Motivation in Rodents: Some Caveats 

      Le Moene, Olivia; Ågmo, Anders j (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-08-27)
      Sexual behavior is activated by motivation. An overwhelming majority of experimental studies of the intricacies of sexual motivation has been performed in rodents, most of them in rats. Sometimes it is desirable to generalize results obtained in this species to other species, particularly the human. It is hoped that studies of the neurobiology of rodent sexual behavior may shed light on the central ...
    • The Role of Estrogen Receptor β (ERβ) in the Establishment of Hierarchical Social Relationships in Male Mice 

      Nakata, Mariko; Ågmo, Anders j; Satoshi, Shoko; Ogawa, Sonoko (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-22)
      Acquisition of social dominance is important for social species including mice, for preferential access to foods and mates. Male mice establish social rank through agonistic behaviors, which are regulated by gonadal steroid hormone, testosterone, as its original form and aromatized form. It is well known that estrogen receptors (ERs), particularly ER α (ERα), mediate effects of aromatized testosterone, ...
    • Silent or Vocalizing Rats Copulate in a Similar Manner 

      Ågmo, Anders j; Snoeren, Eelke (Journal article; Tidsskriftartikkel; Peer reviewed, 2015-12-03)
      Both male and female rats produce 50 kHz ultrasonic vocalizations (USVs) in the presence of a sexual partner and during copulation. Previous studies showed that USVs have no incentive value for rats. In this study, we evaluated the role of USVs in behavior during copulation. Three groups of rats were used: sham males paired with sham females, devocalized females paired with sham males, and sham ...
    • Studies of sociosexual interactions in rats in an externally valid procedure: Are they relevant for understanding human sexual behavior? 

      Chu, Xi; Ågmo, Anders j (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-05)
      When a prolonged observation of groups of rats in a seminatural environment is used as testing procedure, different behavioral patterns are shown compared with what observed in a pair housed in a small cage. Males and females copulate simultaneously, they show a promiscuously and random copulatory pattern. Females remain completely receptive from the first lordosis displayed in the period of behavioral ...