Oxytocin linked to growth in seal pups

Scientists at the University of St Andrews have, for the first time, shown that grey seal pups with naturally high oxytocin levels gain more mass before weaning, without increasing the amount they are fed.

Hormonal control of appetite in ants identified

Ants and humans have a lot in common at the level of genes and proteins: Numerous studies have shown that ants also possess the genetic basis of a hormone system based on the neuropeptides oxytocin and vasopressin, which, ...

Smiling human faces are attractive to dogs—thanks to oxytocin

Researchers in the University of Helsinki's Canine Mind research project found that oxytocin made dogs interested in smiling human faces. It also made them see angry faces as less threatening. Correlated with affection and ...

A polymer 'love hormone' sensor for the early detection of autism

Is it possible to detect features of autism at birth? At the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw, researchers have developed a sensor could make such detection a reality. The main recognition ...

The hormone that could be making your dog aggressive

For some dog owners, a leisurely walk can turn stressful the moment their canine companion sees another pup walking by. Dogs with what is known as "leash aggression" may bark, growl or lunge at other dogs during walks, setting ...

Dogs' social skills linked to oxytocin sensitivity

The tendency of dogs to seek contact with their owners is associated with genetic variations in sensitivity for the hormone oxytocin, according to a new study from Linköping University, Sweden. The results have been published ...

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Oxytocin

Oxytocin (pronounced /ˌɒksɨˈtoʊsɪn/) is a mammalian hormone that also acts as a neurotransmitter in the brain.

It is best known for its roles in female reproduction: it is released in large amounts after distension of the cervix and vagina during labor, and after stimulation of the nipples, facilitating birth and breastfeeding, respectively. Recent studies have begun to investigate oxytocin's role in various behaviors, including orgasm, social recognition, pair bonding, anxiety, trust, love, and maternal behaviors.

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