Organization and expression of agonistic and socio-sexual behavior in golden hamsters over the estrous cycle and after ovariectomy☆
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Cited by (59)
Dominance status modulates activity in medial amygdala cells with projections to the bed nucleus of the stria terminalis
2023, Behavioural Brain ResearchGonadotropin-inhibitory hormone reduces sexual motivation but not lordosis behavior in female Syrian hamsters (Mesocricetus auratus)
2013, Hormones and BehaviorCitation Excerpt :The number of vaginal scent marks was recorded for 5 min. Vaginal marks were scored when a female dragged her vaginal opening against the horizontal substrate with a stereotypical concave curvature of the spine (Takahashi and Lisk, 1983). Consummatory aspects of female sexual behavior were assessed in 10 min lordosis tests conducted in Plexiglas boxes (41 × 21 × 21 cm) set above a slanted mirror.
The medial preoptic area is necessary for sexual odor preference, but not sexual solicitation, in female Syrian hamsters
2013, Hormones and BehaviorCitation Excerpt :This dissociation may allow for these two behaviors to be differentially regulated by internal or external factors. Indeed, vaginal marking is disrupted following either ovariectomy or blockade of oxytocin receptors, whereas sexual odor preference is normally expressed despite these manipulations (Eidson et al., 2007; Martinez et al., 2010; Takahashi and Lisk, 1983). The overall decrease in flank marking observed in MPOA-X females suggests that MPOA may be critical for the normal expression of this behavior to conspecific signals.
Aggressive experience increases dendritic spine density within the nucleus accumbens core in female syrian hamsters
2012, NeuroscienceCitation Excerpt :One interesting aspect of Syrian hamsters is that the males and females live in isolation in the wild and defend individual territories (Gattermann et al., 2001). For the females, this means that during 3 days of the 4-day reproductive cycle in which the females are not in heat, they are highly aggressive toward either male or female conspecifics (e.g., Wise, 1974; Floody and Pfaff, 1977; Takahashi and Lisk, 1983; Meisel et al., 1988). By extension, removing the ovaries from female hamsters, resulting in low levels of ovarian steroid hormones, leaves them in a perpetual aggressive state (e.g., Meisel et al., 1988).
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This research was supported by Research Training Biological Science Grant T32-MH-15799.