“Neurosteroids” accumulate in the central nervous system independently of supply by
peripheral endocrine glands. Dehydroepiandrosterone (DHA) and pregnenolone (Δ5P) …

Publisher Summary This chapter reviews a subset of the field of hormonal regulation of
feminine sexual behavior in rodents with the emphasis on rats. It focuses on the roles of …

Many animals and plants are exposed to seasonal fluctuations in the deterioration and
renewal of their environments. Organisms frequently restrict energetically expensive …

Progesterone receptor (PR) messenger RNA (mRNA) is concentrated in neurons of the
preoptic area and other regions of the rat hypothalamus where it is colocalized with the …

In this chapter, we shall discuss one aspect of the cellular mechanism of action of steroid
hormones on social behaviors, the role of steroid hormone receptors. Unfortunately, the …

The agonistic behaviors of adult male golden hamsters (N= 108 dyads) were examined 5
min after stereotaxic microinjection of adrenal and gonadal steroids into the anterior …

Similar to other endocrine substances, cortisol secretion follows a pulsating rhythm. The
cortisol awakening response (CAR) occurs upon awakening in the absence of any apparent …

Pinealectomized female hamsters (Mesocricetus auratus) housed in a short-day
photoperiod were ovariectomized and tested for hormone-induced sexual receptivity in …

In the first experiment, overiectomized female hamsters were stereotaxically implanted with
bilateral guide cannulae aimed at the medial preoptic area (POA), ventromedial …

Publisher Summary This chapter reviews evidence that PR-dopamine modulates female
sexual behavior by a mechanism that involves convergence of two distinct pathways …