A new study links higher levels of oxytocin to greater life satisfaction as we age.
Thanks to the scientists who research the chemistry in our brains, we now know WHY some people are nicer than others!!
People that release more of the neurochemical oxytocin are kinder to others and tend to be more satisfied with their lives. In addition, oxytocin release increases with age, showing why, on average, people are more caring as they get older.
Oxytocin is a neurochemical widely known for its role in social attachment, interpersonal trust, and generosity. Zak and his colleagues wanted to understand if the release of oxytocin changed with age, as is found with some other neurochemicals that influence feelings and behaviors.
“We have previously shown a link between how kind and generous people are, known as prosocial behaviors, and the release of oxytocin,” said Zak.
“Seniors spend more time volunteering and donate a larger proportion of their income to charity than do younger people, so we wanted to see if there was a neurochemical basis for these behaviors.”
The researchers recruited more than 100 people for the study, ranging between the ages of 18 and 99. They were each shown a video about a little boy with cancer, which previous work had confirmed to induce oxytocin release in the brain. Blood was taken before and after the video to measure the change in oxytocin.
“Participants had the option to donate some of their earnings from the study to a childhood cancer charity, and this was used to measure their immediate prosocial behavior. We also collected data on their emotional states, to provide information on their overall satisfaction with life,” explained Zak.
Be kind, love life
“People who released the most oxytocin in the experiment were not only more generous to charity, but also performed many other helping behaviors. This is the first time a distinct change in oxytocin has been related to past prosocial behaviors,” reported Zak.
“We also found that the release of oxytocin increased with age and was positively associated with life satisfaction.”
The finding that helping behaviors improve the quality of life is consistent with many faith traditions and philosophies. Serving others appears to prime the brain to release more oxytocin in a positive feedback loop of increased empathy and gratitude.
Zak would like to repeat this study in a more ethnically and geographically diverse sample of people to see if the findings hold for different cultures.
“We would also like to conduct a longer-term measurement of neurophysiology using noninvasive wearable technologies to see what specific activities raise people’s satisfaction with life,” he concluded.
Author: Suzanna Burgelman
Original Research: Open access.
“Oxytocin Release Increases With Age and Is Associated With Life Satisfaction and Prosocial Behaviors” by Paul J Zak et al. Frontiers in Behavioral Neuroscience
#Oxytocin #kindness #seniors #empathy
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