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In collaboration with zoologist Lowell Getz, Carter documented the occurrence of social monogamy in prairie voles. Her studies in rodents helped to lay the foundation for the studies of behavioral and developmental effects of oxytocin and vasopressin in humans which are in progress.
The oxytocin receptors of the female prairie vole brain are located more densely in the reward system, and have more receptors than other species, which causes 'addiction' to the social behavior. [ 10 ] [ 11 ] [ 12 ] In the male prairie vole, the gene for the vasopressin receptor has a longer segment, as opposed to the montane vole, which has a ...
The genetic alteration changed the mating behaviour of the prairie vole, turning a once promiscuous prairie vole, monogamous. The change in mating behaviour, while genetic in nature, was caused by an increase in the receptiveness of the prairie voles brain to the neuropeptides oxytocin and vasopressin.
Vasopressin is responsible for forming attachment between male and female prairie voles. [4] Vasopressin also regulates paternal care. [15] Finally, vasopressin activity results in "postmating aggression" that allows prairie voles to protect their mate. [17] Oxytocin is a hormone that regulates pair bond formation along with vasopressin. [18]
Members of the family who own OxyContin maker Purdue Pharma, and the company itself, agreed to pay up to $7.4 billion in a new settlement to lawsuits over the toll of the powerful prescription ...
Slightly larger than moles, voles are 5 to 8 inches long and resemble field mice with short tails, compact heavy bodies, small eyes, and partially hidden ears, says Smith.
These species-specific differences have shown to correlate with social behaviors, and in monogamous prairie voles are important for facilitation of pair bonding. When compared to montane voles, which are polygamous, monogamous prairie voles appear to have more of these AVP and oxytocin neurotransmitter receptors.
In the prairie vole, oxytocin released into the brain of the female during sexual activity is important for forming a pair bond with her sexual partner. Vasopressin appears to have a similar effect in males. [99] Oxytocin has a role in social behaviors in many species, so it likely also does in humans.