Oxytocin is another hormone released during sex (and also during childbirth and nursing) that strengthens social bonds, and female
voles with more oxytocin receptors are also more likely to mate for life.
Prairie
voles with longer stretches of repetitive genomic sequence are more attentive to mates and offspring
However, when Larry Young at Emory University in Atlanta, Georgia, injected female
voles with a drug that blocked either dopamine or oxytocin, they became polygamous.
A transgenic meadow
vole with added vasopressin receptors suddenly discovers the rewards of monogamy.
Not exact matches
Nature Museum Turning 160, Celebrates
with Rock
Voles and Chickens In honor of its 160th anniversary next year, the Peggy Notebaert Nature Museum will host a week of festivities, including a look at some of its rarely seen specimens in addition to a special pop - up exhibit focused on the museum's history.
Load up on adrenaline, or cool down
with oxytocin About 20 years ago, neuroendocrinologist Sue Carter began examining the brains of prairie
voles to understand why the small rodent indigenous to the midwestern plains of the United States is one of the natural world's great romantics.
The architecture suggested that behaviors associated
with oxytocin release would feel good in the brains of the prairie
voles but leave the montane
voles relatively unaffected.
Upon closer inspection, scientists saw that specific neurons that fired when the
voles interacted
with their mates stayed silent when they interacting
with a different female.
By simply activating certain circuits in the brains of female prairie
voles, researchers made them «fall in love»
with specific males.
They found that meadow
voles treated
with gene therapy acted more like their prairie
vole counterparts — they spent more time huddling near their original companion.
«When male
voles drink alcohol, but their partner doesn't, their relationship suffers: Males who drink alone spend less time
with their original female partner compared to couples where both drink alcohol and those which never drink.»
Researchers at Umeå University in Sweden, and Oulu University in Finland, tested this through experimental warming of vegetation on tundra meadows
with and without reindeer and
voles.
The smelly marks allow the
voles to navigate through familiar territory, and to communicate
with one another.
Strong interpersonal relationships have been shown to ward off drug addiction, and new clues as to why come from prairie
voles — rodents that form long - term, monogamous bonds
with their mates.
Excavation revealed a deep sequence of deposits containing the elephant remains, along
with numerous flint tools and a range of other species such as; wild aurochs, extinct forms of rhinoceros and lion, Barbary macaque, beaver, rabbit, various forms of
vole and shrew, and a diverse assemblage of snails.
A
vole female
with her pups and no male are shown.
Conquering the divide and mating
with a female after just six hours of her company can form a lifelong pair - bond between
voles.
Through the activation of brain circuits
with light, female
voles were tricked into selecting specific partners
But the treated
voles preferred to cuddle
with the familiar female.
The prairie
voles responded
with increased displays of chivalry, included sniffing, licking, and grooming the females, but the mountain
voles remained aloof as ever.
For example, Young's research shows normally monogamous prairie
voles do not develop pair bonds
with their mates if their mu - opioid system is blocked; other studies have found that mice genetically engineered to have no mu - opioid receptors do not prefer their mothers to other mice the way normal baby mice do.
A paper Young published this month, in collaboration
with researchers at the University of Tsukuba in Japan, found prairie
voles that have bonded
with a mate not only experience more anxiety when separated from their partners — they also experience more physical pain during the separation, by various measures including response to a painful injection and pain from heat.
Are some of us walking around
with prairie
vole brains and others are stuck
with the wandering eye of a montane
vole?
So when prairie
voles mate, their bodies produce vasopressin, which causes their brains to reward the
vole couple
with a flood of pleasurable emotions, sealing the social bond.
Not so
with the prairie
vole's close genetic cousin, the philandering montane
vole.
Burkett's presentation, on oxytocin - dependent comforting behavior in prairie
voles, outlined an extension of his graduate work
with Larry Young at Yerkes National Primate Research Center, which was published in Science in January 2016 and impressed oxytocin skeptic Ed Yong.
Unlike, say, monogamous
voles, whose nipples hang towards the ground, Young said in the book he co-authored
with Brian Alexander.
Retell the story Over and Under the Snow by Kate Messner while incorporating the following poses: crescent moon, tree, skier, squirrel, owl,
vole (mouse), frog, beaver (table
with shins / feet together for tail), fox (balancing table
with one leg out for tail, do both sides), bear, bee.
Should the player fail to save on multiple occasions, Resetti threatens the player, suggesting that, «I might even go a few rounds
with my cousin, Vicious
Vole Vinnie.»
Cats get a lot of these parasites through predation — killing — a possibility in owned cats
with outdoor access or the potential for visits from mice,
voles and other transport hosts, such as fleas.
If your cat goes outside, be prepared to deal
with the dead — or worse, dying — birds and small mammals (mice,
voles, baby rabbits), snakes, and other wounded creatures that your cat may leave on your doorstep!
In a period
with high rabbit abundance, cat predation corresponded to 4 % of annual production of rabbits and to about 20 % of annual production of field
voles (Microtus agrestis) and wood mice (Apodemus silvaticus).
Voles are about three to five inches long and basically look like mice
with shorter tails.
Oxytocin helps keep female prairie
voles bonded
with their partners.
Now I can add the one person I never expected to meet in the Target sock section at 7.30 pm on a Thursday night (
with a farting child in tow, a startled
vole expression on my face and — perhaps worst of all — leggings as pants) to the list.