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Science

How humans and monkeys are triggered by jealously in the same way.

Could jealously be a evolutionary advantage?

science, research, biology, mental health, jealousy
Image via Pixabay and Photo by Jeff Kubina/Wikimedia Commons/Attribution-Share Alike 2.0 Generic.

The human game of love is a battle won and lost by more than just us.

The monkey had a busy morning, but it was finally time to go home.

He was a small creature, about the size of a rabbit, with a long prehensile tail and dusky red fur. Earlier that day, scientists had scooped him up from his cage and taken him away to get a shot. But now that was done, and just like for many of us, heading home meant that he'd finally get to rest and hang out with his mate.

This time, though, his scientist colleagues weren’t done with him. In fact, our monkey was being set up for an incredible betrayal.


As the copper titi monkey settled in, he spotted his mate — not at home, but in the cage of a romantic rival. Suddenly, circuits deep in his brain came to life. He arched his back and smacked his lips, his tail lashing wildly back and forth.

If he could have gotten over to that cage, he'd have pulled his mate away in an instant, shouted, maybe even fought off the rival.

If you think the monkey’s reaction seems a lot like human jealousy, you're probably right. The entire setup was part of an experiment by Nicole Maninger and Karen Bales of the University of California to figure out where jealousy lives in the brain and how it works.

When they looked at the jilted monkey's brain, two areas in particular lit up.

An MRI and blood draw afterward gave Maninger and Bales a peek at the animal's brain, and in addition to higher testosterone and stress hormones, two more areas deep within his brain were triggered. The first, the cingulate cortex, has a lot to do with social rejection. The second, the lateral septum, is connected to bonding.

"The approximate locations of the cingulate cortex (red) and lateral septum (green) in an MRI of the human brain.

Original image from Geoff B Hall/Wikimedia Commons.

Put together, these areas of the brain appear to show us what Victorian novels, romantic comedies, and reality TV shows have long suspected: Jealousy is intimately tied to monogamy.

Monogamy is interesting because it's actually very rare in the animal kingdom. Fewer than 1 in 10 mammal species mate and bond with a single individual. Even humans aren't strictly monogamous. But we do form uniquely strong, lasting bonds between individuals.

What the research hints at, says Bales, is that the pain of jealousy might actually be one of the reasons monogamous animals bond so strongly to each other. This might even confer an evolutionary advantage, since monogamous male monkeys help raise and feed their kids.

So that tail-lashing, lip-smacking monkey might just help us understand ourselves.

"Understanding the neurobiology and evolution of emotions can help us understand our own emotions and their consequences," says Bales.

It could even help us recognize how our brains form romantic relationships — and what happens when those relationships go terribly wrong. About 1 in 3 women and 1 in 4 men are victims of intimate partner violence in their lifetimes, and research has hinted that jealousy might play a major role.

Human emotions are incredibly complicated, of course, and we shouldn't suggest that monkeys experience the exact same feelings we do. Titi monkeys have very different lives, societies, and evolutionary histories than people do.

Still, Bales says that we have seen hints of similar brain activity in human studies.

As anyone who's ever felt it knows, jealousy can be an intensely dark, powerful emotion. The next time you feel it, maybe you can take some comfort knowing just what is going on in your brain.

Maninger and Bales' work was published in the journal Frontiers in Ecology and Evolution.

This article originally appeared on 10.19.17

Photo by Eliott Reyna on Unsplash

Gen Z is navigating a career landscape unlike any other.

True

Every adult generation has its version of a “kids these days” lament, labeling the up-and-coming generation as less resilient or hardworking compared to their own youth. But Gen Z—currently middle school age through young adulthood—is challenging that notion with their career readiness.

Take Abigail Sanders, an 18-year-old college graduate. Thanks to a dual enrollment program with her online school, she actually earned her bachelor’s degree before her high school diploma. Now she’s in medical school at Bastyr University in Washington state, on track to become a doctor by age 22.

a family of 6 at a graduation with two graduatesAll four of the Sanders kids have utilized Connections Academy to prepare for their futures.

Abigail’s twin sister, Chloe, also did dual enrollment in high school to earn her associate’s in business and is on an early college graduation path to become a vet tech.

Maeson Frymire dreams of becoming a paramedic. He got his EMT certification in high school and fought fires in New Mexico after graduation. Now he’s working towards becoming an advanced certified EMT and has carved his career path towards flight paramedicine.

Sidny Szybnski spends her summers helping run her family’s log cabin resort on Priest Lake in Idaho. She's taken business and finance courses in high school and hopes to be the third generation to run the resort after attending college.

log cabin resort on edge of forestAfter college, Sidny Szybnski hopes to run her family's resort in Priest Lake, Idaho.

Each of these learners has attended Connections Academy, tuition-free online public schools available in 29 states across the U.S., to not only get ready for college but to dive straight into college coursework and get a head start on career training as well. These students are prime examples of how Gen Zers are navigating the career prep landscape, finding their passions, figuring out their paths and making sure they’re prepared for an ever-changing job market.

Lorna Bryant, the Head of Career Education for Connections Academy’s online school program, says that Gen Z has access to a vast array of career-prep tools that previous generations didn’t have, largely thanks to the internet.

“Twenty to 30 years ago, young people largely relied on what adults told them about careers and how to get there,” Bryant tells Upworthy. “Today, teens have a lot more agency. With technology and social media, they have access to so much information about jobs, employers and training. With a tap on their phones, they can hear directly from people who are in the jobs they may be interested in. Corporate websites and social media accounts outline an organization’s mission, vision and values—which are especially important for Gen Z.”

Research shows over 75% of high schoolers want to focus on skills that will prepare them for in-demand jobs. However, not all teens know what the options are or where to find them. Having your future wide open can be overwhelming, and young people might be afraid of making a wrong choice that will impact their whole lives.

Bryant emphasizes that optimism and enthusiasm from parents can help a lot, in addition to communicating that nothing's carved in stone—kids can change paths if they find themselves on one that isn’t a good fit.

Dr. Bryant and student video meeting Dr. Bryant meeting with a student

“I think the most important thing to communicate to teens is that they have more options than ever to pursue a career,” she says. “A two- or four-year college continues to be an incredibly valuable and popular route, but the pathways to a rewarding career have changed so much in the past decade. Today, career planning conversations include options like taking college credit while still in high school or earning a career credential or certificate before high school graduation. There are other options like the ‘ships’—internships, mentorships, apprenticeships—that can connect teens to college, careers, and employers who may offer on-the-job training or even pay for employees to go to college.”

Parents can also help kids develop “durable skills”—sometimes called “soft” or “human” skills—such as communication, leadership, collaboration, empathy and grit. Bryant says durable skills are incredibly valuable because they are attractive to employers and colleges and transfer across industries and jobs. A worldwide Pearson survey found that those skills are some of the most sought after by employers.

“The good news is that teens are likely to be already developing these skills,” says Bryant. Volunteering, having a part-time job, joining or captaining a team sport can build durable skills in a way that can also be highlighted on college and job applications.

Young people are navigating a fast-changing world, and the qualities, skills and tools they need to succeed may not always be familiar to their parents and grandparents. But Gen Z is showing that when they have a good grasp of the options and opportunities, they’re ready to embark on their career paths, wherever they may lead.

Learn more about Connections Academy here and Connections’ new college and career prep initiative here.

Joy

Sorry, Labradors. After 31 years, America has a new favorite dog.

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via Pixabay

A sad-looking Labrador Retriever

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Callum Manning and his favorite books.

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Reading isn't just a great way to have a good time. Reading increases brain connectivity, makes people more empathetic, reduces depression symptoms, improves vocabulary, and may even cause you to live longer.

It's a huge benefit for a child's development as well. According to Parent.com, reading "stimulates the side of the brain that helps with mental imagery, understanding, and language processing, and that brain activity."

Sure beats wasting time playing video games.


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