August 30, 2018 -Providing "targeted" social support to other people in need activates regions of the brain involved in parental care- which may help researchers understand the positive health effects of social ties, reports a study in Psychosomatic Medicine: Journal of Biobehavioral Medicine, the official journal of the American Psychosomatic Society. The journal is published in the Lippincott Portfolio by Wolters Kluwer.
By comparison, providing "untargeted" support such as giving to charity does not have the same neurobiological effects, according to the new research by Tristen K. Inagaki, PhD, and Lauren P. Ross, BA, of University of Pittsburgh. "Our results highlight the unique benefits of giving targeted support and elucidate neural pathways by which giving support may lead to health," the researchers write.
Study May Show 'Neural Pathway' By Which Providing Support Improves Health
The researchers performed a pair of experiments to evaluate brain responses to providing different kinds of social support. In the first study, 45 volunteers performed a "giving support" task where they had a chance to win rewards for someone close to them who needed money (targeted support), for charity (untargeted support), or for themselves. As predicted, participants felt more socially connected, and felt that their support was more effective, when giving targeted social support.
The subjects then underwent an emotional ratings task including functional MRI scanning to assess activation of specific brain areas when giving social support. Providing support, regardless of who received the support, was linked to increased activation of the ventral striatum (VS) and septal area (SA) – regions previously linked to parental care behaviors in animals. However, only higher activation of the SA when people gave targeted support was associated with lower activity in a brain structure called the amygdala – sometimes linked to fear and stress responses.
In the second study, 382 participants provided information on their behavior in giving support (prosocial behavior) and underwent a different emotional ratings task with functional MRI scanning. Once again, those who reported giving more targeted support to others also showed reduced activity in the amygdala. In both studies, giving untargeted support (such as giving to charity) was unrelated to amygdala activity.
"Humans thrive off social connections and benefit when they act in the service of others' well-being," according to the authors. A previous study by Dr. Inagaki, also published in Psychosomatic Medicine, found that giving social support has positive effects on brain areas involved in stress and reward responses. That study suggested that providing support – not just receiving it – may be an important contributor to the physical and mental health benefits of social support.
The new study adds further evidence that giving targeted support may be uniquely beneficial. Both targeted and untargeted support are linked to increased SA activity, supporting the "warm glow" theory of providing support: we help others, directly or indirectly, simply because it "feels good."
But the link between increased SA activation and decreased amygdala activity "suggests a neural pathway by which giving support ultimately influence health that is specific to targeted forms of support-giving, such as giving to specific people we know are in need," Dr. Inagaki and Ms. Ross write. The authors note that their study cannot show a cause-and-effect of providing support on activation of the SA or amygdala. They also point out that providing targeted social support does not always lead to improved health – for example, prolonged caregiving for an ill family member can be detrimental to health.
The study adds to previous evidence that providing social support to others "may be an overlooked contributor to the well-known link between social ties and health," Dr. Inagaki and Ms. Ross write. They conclude: "Giving targeted support to an identifiable individual in need is uniquely associated with reduced amygdala activity thereby contributing to understanding of how and when giving support may lead to health."
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Click here to read "Neural Correlates of Giving Social Support: Differences between Giving Targeted versus Untargeted Support"
DOI: 10.1097/PSY.0000000000000623
About Psychosomatic Medicine
Psychosomatic Medicine: Journal of Biobehavioral Medicine, founded in 1939, is the official peer-reviewed journal of the American Psychosomatic Society. It publishes experimental and clinical studies dealing with various aspects of the relationships among social, psychological, and behavioral factors and bodily processes in humans and animals. Psychosomatic Medicine: Journal of Biobehavioral Medicine is an international, interdisciplinary journal devoted to experimental and clinical investigation in behavioral biology, psychiatry, psychology, physiology, anthropology, and clinical medicine. The print journal is published nine times a year; most articles are published online ahead of print.
About the American Psychosomatic Society
The mission of the American Psychosomatic Society is to promote and advance the scientific understanding and multidisciplinary integration of biological, psychological, behavioral and social factors in human health and disease, and to foster the dissemination and application of this understanding in education and health care.
The American Psychosomatic Society is a worldwide community of scholars and clinicians dedicated to the scientific understanding of the interaction of mind, brain, body and social context in promoting health. The organization is devoted to biopsychosocial research and integrated clinical care, and to providing a forum via its website, Annual Meeting and journal, Psychosomatic Medicine, for sharing this research. Its members are from around the world, including specialists from all medical and health-related disciplines, the behavioral sciences, and the social sciences.
About Wolters Kluwer
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Wolters Kluwer, headquartered in the Netherlands, reported 2017 annual revenues of €4.4 billion. The company serves customers in over 180 countries, maintains operations in over 40 countries, and employs approximately 19,000 people worldwide.
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http://dx.doi.org/10.1097/PSY.0000000000000623
