The neurohypophysial peptide oxytocin (OT) and OT-like hormones facilitate reproduction in
all vertebrates at several levels. The major site of OT gene expression is the magnocellular …

Individual variation in behavior and physiology is a widespread and ecologically functional
phenomenon in nature in virtually all vertebrate species. Due to domestication of laboratory …

Prairie voles are among a small group of mammals that display long-term social attachment
between mating partners. Many pharmacological studies show that signaling via the …

This is the third English edition of Motivation and Action, an extensively revised version of
the second English edition and fifth German edition, with four entirely new chapters. All …

Oxytocin (Oxt) is a nonapeptide hormone best known for its role in lactation and parturition.
Since 1906 when its uterine-contracting properties were described until 50 years later when …

The development of social familiarity in rodents depends predominantly on olfactory cues
and can critically influence reproductive success 1, 2. Researchers have operationally …

Vocalizations are important components of social behaviour in many vertebrate species,
including our own. Less well-understood are the hormonal mechanisms involved in …

When Darwin proposed that females shape evolution by being choosy in their choice of
male suitors, his Victorian contemporaries were shocked that he accorded so much …

Objective: We examined whether the magnitude of plasma oxytocin (OT), norepinephrine
(NE), cortisol, and blood pressure (BP) responses before and after a brief episode of warm …

Hormones, and hormone responses to social contexts, are the proximate mechanisms of
evolutionary pathways to pair bonds and other social bonds. Testosterone (T) is implicated …