Women are most attracted to sex with masculine, high-risk men during ovulation, when they are most likely to get pregnant, a Kinsey Institute study finds.
Heather Rupp, PhD, a research fellow at the Kinsey Institute, studied 12 single heterosexual women aged 23 to 28. While hooked up to an fMRI machine that detects activity in different parts of the brain, the women looked at 256 photos of male faces.
Using a computer morphing program, researchers altered the photos to make the male faces look more or less masculine. The women were also given sexual risk information on the men that included their number of sexual partners and their typical condom-use patterns.
After viewing the faces and the information, the women were asked to rate how likely they were to have sex with the man in each photo.
But in this study, Rupp and colleagues weren't as much interested in who the women said they'd have sex with as in what happened inside their heads.
Around the time of ovulation, when the women were most likely to conceive after unprotected sex, the women's brains showed more activity in areas linked to reward and risk taking. Stimuli that arouse this area of the brain include drugs, alcohol, and gambling.
During ovulation, the women also had weaker brain responses in brain areas linked to inhibition and risk evaluation. And while women showed more activity in brain areas linked to decision-making and reward when looking at photos of high-risk men than when looking at photos of low-risk men, this activity was weaker during ovulation than it was later in the menstrual cycle.
At this week's annual meeting of the Society for Neuroscience, Rupp suggested that during ovulation, women will be more likely to engage in risky sex and be more vulnerable to drug and alcohol abuse than at other times.
"At ovulation, when is likely, women may prioritize fertilization and find masculine men more rewarding and less risky," Rupp suggested in her meeting presentation. "Towards the end of the menstrual cycle, when hormones are preparing for potential pregnancy, the priority may shift from mating to finding a low-risk, stable partner who can provide more parental investment and resources."
Evolutionary psychologist claim that over 80% of women want to have sex
with only 8% of men
Well gee Dave, I wonder why there are so many single mothers? *smh*
This another reason men should avoid women. Women don't seem hard wired to
desire ordenary men. Only risky men.
We need to be fair here. Men are hardwired to seek as many sexual partners
they can get. Women are hardwired to desire sex only with risky men. Men
and women are in general totally incompatible and not well suited for long
term loving relatioships.
Yeah dave but it could be argued that the people, male or female, who
behave irresponsibly like this really create their own messes.
I also disagree with the notion that it's ok to blame "hardwiring" for why
people do things they shouldn't. We are human beings, not animals. Maybe
you want to let them off the hook and say it's their DNA's fault but I call
shennanigans.
It's important to use our impulse control to counter our hard wiring.
Self control's a very important attribute to have. Can you really trust
someone who is impulsive and acts on fleeting whims? They'll just do what
they felt like doing at the time and make excuses for it or justify it
after the fact assuming you even find out.