Neural mechanisms of the link between giving social support and health

Effects of Social Support Provided by Disabled Older Adults to Others on Their Own Depressive Symptoms: A Moderated Mediation Model

Purpose

While previous studies have extensively examined the impact of receiving positive social support during social support interactions on depressive symptoms among older adults, adverse effects experienced, such as being rejected or ignored, are often overlooked. Moreover, there has been limited discussion on the effects of giving social support to others. Thus, this study investigates the impacts of social support given by disabled older adults to others on their own depressive symptoms, as well as the mediating role of receiving social support (both positive and negative aspects) and the moderating effect of the activity of daily living (ADL).

Patients and Methods

This cross-sectional, community-based study was conducted in Wenzhou and Jiaxing City, China, from September 2021 to September 2022, with a total of 255 disabled older adults meeting the inclusion and exclusion criteria. The data were collected face-to-face using a structured questionnaire. The participants were asked to complete the Barthel Index Scale, the Chinese version of the Positive and Negative Social Exchange Scale, the Giving Social Support questionnaire, and the Short Form Chinese Geriatric Depression Scale to measure disability, receiving positive and negative social support, giving social support, and depressive symptoms, respectively. Descriptive statistical analysis, correlation analysis, mediation effect tests, and moderation effect tests were used to analyse the questionnaire data.

Results

The social support provided by disabled older adults to others primarily involved companionship and care. The positive aspect of social support received was largely emotional support, while the negative aspect was mainly characterised by failure to obtain help and unsympathetic behaviour. Providing social support was found to be associated with a potential beneficial effect on depressive symptoms, linked to lower severity, with this effect fully mediated by receiving social support. Specifically, receiving emotional support accounted for 56.63% of the effect size, while failure to obtain help and unsympathetic behaviour contributed 21.55%, and rejection and neglect collectively accounted for 21.83%. Additionally, the effect was partially moderated by ADL, with older adults exhibiting lower ADL scores showing a greater benefit from both giving and receiving social support compared to those with higher ADL scores.

Conclusion

It is imperative to recognise and encourage disabled older adults to provide social support to others, especially emotional support, while reducing negative feedback, such as neglect and unnecessary blame. This could alleviate their depressive symptoms and promote psycho-social well-being.

From Social Stress and Isolation to Autonomic Nervous System Dysregulation in Suicidal Behavior

PURPOSE OF REVIEW

In this narrative review we wanted to describe the relationship of autonomic nervous system activity with social environment and suicidal spectrum behaviors.

RECENT FINDINGS

Patients with suicidal ideation/suicide attempt have higher sympathetic nervous system (SNS) and lower parasympathetic nervous system (PNS) activity in resting conditions and during acute stress tasks compared with patients without suicidal ideation/suicide attempt. Death by suicide and violent suicide attempt also are related to SNS hyperactivation. Similarly, a SNS/PNS imbalance has been observed in people with childhood trauma, stressful life events or feelings of loneliness and isolation. Social support seems to increase PNS control and resilience. Due to the importance of the social context and stressful life events in suicidal behavior, SNS/PNS imbalance could act as a mediator in this relationship and be a source of relevant biomarkers. Childhood trauma and stressful life events may impair the autonomic nervous system response in suicidal patients. Loneliness, isolation and social support may act as moderators in acute stress situations.

Feeling stressed and depressed? A three-wave follow-up study of the beneficial effects of voluntary work

While symptoms of stress are a major risk factor in the onset of depressive symptoms and major depression, a better understanding of intervening mechanisms in breaking down this positive association is urgently required. It is within this literature that we investigate (1) how symptoms of stress are associated with depressive symptoms and the onset of major depression, and (2) the buffering effect of hours spent on voluntary work on the stress-depression relationship. Using 3-wave longitudinal data, we estimated a direct and reverse auto-regressive path model. We found both cross-sectional and longitudinal support for the positive association between symptoms of stress and depressive symptoms. Next, we found that individuals who experienced more symptoms of stress at T1, T2, and T3 were 1.64 (95%CI [1.46;1.91]), 1.49 (95%CI [1.24;1.74]), and 1.40 (95%CI [1.21;1.60]) times more likely to be prescribed an anti-depression treatment at T3, respectively. Moreover, we found that the number of hours spent volunteering mitigated the (1) longitudinal-but not cross-sectional-stress-depression relationship, and (2) cross-sectional-but not the longitudinal-association between symptoms of stress at T3 and the likelihood of being prescribed an anti-depression treatment. These results point toward the pivotal role of voluntary work in reducing the development of depressive symptoms and major depression in relation to the experience of symptoms of stress.

Volunteering and Changes in Cardiovascular Biomarkers: Longitudinal Evidence From the Health and Retirement Study

Background and Objectives

Growing body of research shows that volunteering is beneficial for those served, the volunteers, and the larger communities. However, major challenges remain that hinder the practical implications for volunteer activity as a public health intervention, including potential selection effects, lack of longitudinal studies that adjust for baseline characteristics, and a paucity of studies that consider multiple physical health outcomes in a single model.

Research Design and Methods

Data from 2006 to 2016 waves of the Health and Retirement Study (2006-2016) were used (N = 18,847). Outcome-wide analyses were utilized to evaluate if changes in volunteering between 2006/2008 (t0) and 2010/2012 (t1) were associated with 7 cardiovascular disease biomarkers 4 years later (2014/2016, t2). These models were adjusted for demographic factors, socioeconomic status, health behaviors, chronic conditions, baseline biomarkers, and volunteering. Additionally, selection into volunteering and attrition were taken into account.

Results

Compared with nonvolunteers, volunteering more than 200 hr a year was associated with a lower risk for clinically high diastolic blood pressure. In addition, increased volunteering effort (change from 1 to 99 hr at t0 to >100 hr at t1) was associated with a lower likelihood of clinically high systolic and diastolic blood pressure levels. Sustained high volunteering (>100 hr at both t0 and t1) was associated with lower diastolic blood pressure.

Discussion and Implications

The current study adds to the evidence on the health benefits of volunteering for adults 50 and older by inferring a potential causal link between high-intensity volunteering and reduced blood pressure.

Support-Giving Is Associated With Lower Systemic Inflammation

BACKGROUND

Support-giving has emerged as a health-relevant social behavior, such that giving more support is associated with better physical health. However, biological mechanisms by which support-giving and health are linked remain unclear. Whether support-giving uniquely relates to health relative to other psychosocial factors is also an open research question.

PURPOSE

Two studies test the hypothesis that support-giving is uniquely (over-and-above other psychosocial factors) related to lower systemic inflammation, a biological correlate of health.

METHODS

Cross-sectional associations of support-giving with markers of systemic inflammation (i.e., interleukin-6 [IL-6], C-reactive protein [CRP]) were examined in two independent samples of midlife adults (Study 1, n = 746; Study 2, n = 350).

RESULTS

Consistent with hypotheses, giving to more social targets (to family and friends, and also volunteering for various causes), but not receiving support from similar targets, was associated with lower IL-6. In conceptual replication and extension with a different measure of support-giving, higher frequency of support-giving behavior was associated with lower IL-6, even after adjusting for social network size and individual differences in social desirability. There were no associations between support-giving and CRP in either sample.

CONCLUSIONS

Future research needs to establish causality and directly test mechanistic pathways, but together, findings reaffirm the health-relevance of support-giving behavior and shed light on a promising biological mechanism by which such effects may occur.

Understanding the benefits of extrinsic emotion regulation in depression

Depression is a serious psychiatric illness that negatively affects people's feelings, thoughts, and actions. Providing emotion regulation support to others, also termed Extrinsic Emotion Regulation (EER), reduces depressive symptoms such as perseverative thinking and negative mood. In this conceptual review paper, we argue that EER may be especially beneficial for individuals with depression because it enhances the cognitive and affective processes known to be impaired in depression. Behavioral studies have shown that EER recruits processes related to cognitive empathy, intrinsic emotion regulation (IER), and reward, all impaired in depression. Neuroimaging data support these findings by showing that EER recruits brain regions related to these three processes, such as the ventrolateral prefrontal cortex which is associated with IER, the ventral striatum, which is associated with reward-related processes, and medial frontal regions related to cognitive empathy. This conceptual review paper sheds light on the mechanisms underlying the effectiveness of EER for individuals with depression and therefore offers novel avenues for treatment.

Cognitive cost of empathizing with mothers and strangers by Chinese college students

Background

Empathy is a choice and the product of a dynamic decision process based on motivation. The value trade-off in empathy is object-specific and people are more likely to empathize with ingroup, especially empathize with whom we are particularly concerned. The mother is an integral part of the self-concept, but the status of the mother in the self-concept of the eastern and western subjects was different. Previous studies have shown that mother is integrated in self-concept and share the same motivational hierarchy with self in Chinese brain.

Objectives

The study's purpose is to investigate the empathic choice for mothers in Chinese culture and its regulatory mechanism.

Methods

Three experiments were conducted to investigate whether Chinese college students would choose to empathize with their mothers. Experiment 1 used the Empathy Selection Task to examine the empathic choices between mother-other and stranger-other conditions with two blocks of 50 trials, and used the NASA Task Load Index to evaluate the cognitive costs for each deck option presented; Experiment 2 induced a disagreeable emotional state and replicate the same conditions of the experiment 1; Experiment 3 induced an agreeable emotional state and replicate the same conditions of the experiment one.

Results and conclusions

The results showed that: (1) participants tended to avoid empathizing with their mothers and strangers for to the cognitive cost; (2) participants were more likely to choose empathy when the target was their mother rather than when the target was a stranger-other, due to the social reward; and (3) participants were more likely to opt to empathize with their mothers when positive emotions towards their mothers were primed. The results suggested that empathy is a choice and the product of a dynamic decision process based on motivation and the value trade-off in empathy is object-specific.

The influence of social signals on the self-experience of pain: A neuroimaging review

Researchers in cognitive neuroscience have investigated extensively how psychological factors shape the processing and perception of pain using behavioral, physiological, and neuroimaging methods. However, social influences of pain, an essential part of biopsychosocial pain models, have received relatively little attention. This is particularly true for the neurobiological mechanisms underlying social modulations on pain. Therefore, this review discusses the findings of recent neuroimaging studies measuring the effects of social manipulations on pain perception (e.g., verbal and non-verbal social signals, social interaction style, conformity, social support, and sociocultural mediators). Finally, a schematic summary of the different social modulatory themes is presented.

Provision of social support and mental health in U.S. military veterans

While social support has been linked to better health, most research has focused on the receipt of social support. In this study, we evaluated associations between provided support and mental health in a nationally representative cohort of 4069 US veterans. The majority (60-72%) of veterans reported providing support on a consistent basis. Veterans who scored higher on certain aspects of personality (i.e., agreeableness, conscientiousness, and extraversion) and received greater support were more likely to provide support. Further, each standard deviation increase in provided support was independently associated with 22-32% reduced odds of internalizing psychiatric disorders and suicidal ideation, and veterans who scored higher on both provided and received support had 3.5- to 14-fold lower odds of these outcomes relative to those with high received support but low provided support. Results suggest that interventions to promote the provision of support may help mitigate risk for adverse mental health outcomes in veterans.

Providing Support Differentially Affects Asian American and Latinx Psychosocial and Physiological Well-Being: A Pilot Study

Although substantial evidence suggests receiving social support has positive implications for well-being, less is known about how providing support can confer benefits, particularly for Asian American and Latinx individuals who are more likely to come from interdependent cultures that emphasize family obligation. Asian American and Latinx college students (N = 48; M_age = 21.44, SD = 2.61; 68.75% female) reported on anxiety before taking part in a modified laboratory task that elicited a physiological stress response as measured by total cortisol output. They were randomly assigned to write (a) a supportive note to a family member, (b) a supportive note to a close friend, or (c) about their day in a control condition after the mild lab stressor and reported on psychosocial well-being (i.e., post-task anxiety and self-esteem). Those who provided support to a family member experienced higher self-esteem compared to those in the control condition. However, there was variation in Asian American and Latinx participants’ physiological stress response (i.e., total cortisol output). The findings suggest that providing support to close others, particularly family members, can be differentially meaningful for individuals from diverse backgrounds.

Perceived social support-giving moderates the association between social relationships and interleukin-6 levels in blood

Although positive social relationships are assumed to relate to lower levels of chronic systemic inflammation, the empirical evidence on this association is mixed. This study examines whether perceived social support-giving (i.e., the belief that one can be available to give social support to others, henceforward referred to as perceived support-giving) moderates associations between social relationships and inflammation using data from the longitudinal follow-up of the National Survey of Midlife Development in the U.S. (MIDUS II). Middle-aged adults (N = 1054) completed self-report questionnaires on social integration, perceived support-availability from others, positive relations with others, perceived support-giving, socio-demographic information, and health-related information and provided blood samples for measurement of interleukin-6 (IL-6) as a marker of systemic inflammation. The results showed that perceived support-giving moderated the associations between IL-6 and indicators of positive social relationships, including social integration, perceived support-availability, and positive relations with others. Indicators of positive social relationships were associated with lower IL-6 among individuals higher, but not lower, in perceived support-giving. The moderating effects of perceived support-giving held after adjusting for socio-demographic and health-related covariates. Therefore, positive social relationships are associated with lower IL-6 only for individuals who believe they can give more support in those relationships. In addition, preliminary evidence indicated that the moderating effects of perceived support-giving might be further qualified by gender, being significant only in women.

Prosocial and Positive Health Behaviors During a Period of Chronic Stress Protect Socioemotional Well-Being

Behavior that helps, supports, or protects others-or prosocial behavior-has emerged as a health-relevant behavior that can promote the giver's well-being, yet whether prosocial behavior protects against the effects of a major, ongoing chronic stressor warrants further examination. Thus, in the context of the 2020 COVID-19 pandemic, we examined whether two types of behaviors-those enacted to prevent the spread of disease to the self and others (positive health behaviors) and those enacted to promote others' psychological and financial well-being (prosocial behaviors)-might protect well-being over time. Using a longitudinal survey method, 745 participants (M age = 62.87 years) reported their engagement in positive health behaviors, prosocial behaviors, and socioemotional well-being (depressive symptoms, anxiety symptoms, loneliness) approximately two months into mandated lockdown orders in the USA. Three months later, participants again reported their well-being. Results showed that greater self-reported positive health behaviors (e.g., wearing a facemask, distancing from others) was related to decreased depressive symptoms over time, whereas greater self-reported prosocial behaviors (e.g., donating time or money, thanking an essential worker) was related to decreased loneliness over time. Neither behavior was related to anxiety symptoms. Together, results suggest that both doing things for the benefit of others and engaging in positive health behaviors protects well-being, even during times of chronic stress. Findings are however limited by the use of self-report measures. Future research should use experimental and behavioral approaches beyond self-report to verify findings.

Supplementary Information

The online version contains supplementary material available at 10.1007/s42761-021-00095-1.

Coping with COVID-19 Prolonged and Cumulative Stressors: the Case Example of Egypt

The current study aimed to explore how COVID-19-traumatized populations cope using a coping model based on wills to exist, live, and survive (WTELS) that leads to positive coping and posttraumatic growth (PTG). We used data from 11 Arab countries (N = 2732), including Egypt (N = 831), and included measures for COVID-19 stressors (COVID-fear, economic, lockdown, and grief stressors), WTELS, resilience, religiosity, spirituality, social support, and PTG. We conducted ANOVA on the main sample to explore the differences between Arab countries, hierarchical regressions, and path analysis on the Egyptian subsample to test a model of the effects on WTELS. In the path model, WTELS was the independent variable. Other coping strategies were mediating variables, and COVID-19 stressor types were outcome variables. ANOVA on the main sample indicated that Egypt was the highest on COVID-19 stressors (infection fears, economic, lockdown, and grief stressors), actual infection, and WTELS. Hierarchical regression indicated that social support, resilience, and WTELS were positive predictors of PTG, with WTELS had the highest effect size (β = .41) and WTELS being a negative predictor of COVID-19 stressors, while resilience and social support were not. Path analysis indicated that WTELS predicted higher religiosity, spirituality, social support, resilience, and lower COVID-19 stressors. Religiosity predicted higher spirituality, social support, and resilience and lower COVID-19 stressors. Interfaith spirituality predicted higher resilience and lower COVID-19 grief stressors. The results validated the central role of WTELS. Results helped to identify potentially effective interventions with COVID-19 victims that focus on WTELS, spirituality, and religiosity.

SUPPLEMENTARY INFORMATION

The online version contains supplementary material available at 10.1007/s11469-021-00712-x.

Empathy Modulates the Effects of Acute Stress on Anxious Appearance and Social Behavior in Social Anxiety Disorder

Patients suffering from social anxiety disorder (SAD) fear social interaction and evaluation, which severely undermines their everyday life. There is evidence of increased prosocial behavior after acute social stress exposure in healthy individuals, which may be interpreted as stress-regulating "tend-and-befriend" behavior. In a randomized controlled trial, we measured empathic abilities in a first diagnostic session. In the following experimental session, we investigated how patients with SAD (n = 60) and healthy control participants (HC) (n = 52) respond to an acute social stressor (Trier Social Stress Test for groups) or a non-stressful control condition, and whether empathic abilities and acute social stress interact to modulate anxious appearance and social behavior in a social conversation test. Salivary cortisol, heart rate, and subjective stress response were repeatedly measured. The anxious appearance and social behavior of participants were rated by the conversation partner. SAD patients demonstrated stronger subjective stress responses while the biological responses did not differ from HC. Moreover, patients performed worse overall in the conversation task, which stress additionally undermined. Finally, we found that both emotional and cognitive empathy buffered the negative effects of acute stress on social behavior in SAD, but not in HC. Our data highlight the importance of empathic abilities for SAD during stressful situations and call for multimodal clinical diagnostics. This may help to differentiate clinical subtypes and offer better-tailored treatment for patients. General Scientific Summary: This study shows that high levels of cognitive and emotional empathy can buffer the negative effects of acute stress on social behavior in social anxiety disorder (SAD). Empathic abilities may be included as an additional diagnostic resource marker for SAD.

Kindness as a Stress Reduction-Health Promotion Intervention: A Review of the Psychobiology of Caring

Chronic stress is a ubiquitous problem shouldered by many people worldwide. Although the stressors are myriad (eg, loneliness, finances, health, discrimination), the corporal response to them either causes or exacerbates mental and physical illness, including depression, anxiety, and cardiovascular disease. Identifying efficient ways to help people buffer their response and promote resilience and wellness is critical to improving overall health. Positive interpersonal connection is a proven way to promote resilience and happiness. It is associated with decreased mortality and markers of better health. Kindness and caring are prosocial behaviors that build positive interpersonal connections and can uplift both the giver and receiver. Simply seeing kindness and caring activates the neuropsychology of kindness, elevating the viewer and promoting generosity, interpersonal connection, and inclusion. That augmenting positive emotions, enhancing interpersonal connection, and inducing prosocial behavior change are possible through seeing kindness opens the opportunity to bolster resilience in higher stress settings like health care. In a recent study, watching kindness media in a health care setting rapidly increased self-reported feelings of happiness, calm, gratitude, and being inspired. Viewers were significantly more generous. Providing staff and patients with a nonjudgmental lift to enhance caring interactions through kindnesses media can be an important, low-cost adjunct to improving the healthcare environment.

Exploring neural mechanisms of the health benefits of gratitude in women: A randomized controlled trial

BACKGROUND

Gratitude has received growing interest as an emotion that can bring greater happiness and health. However, little is known about the effects of gratitude on objective measures of physical health or the neural mechanisms that underlie these effects. Given strong links between gratitude and giving behavior, and giving and health, it is possible that gratitude may benefit health through the same mechanisms as giving to others. Thus, this study investigated whether gratitude activates a neural 'caregiving system' (e.g., ventral striatum (VS), septal area (SA)), which can downregulate threat responding (e.g., amygdala) and possibly cellular inflammatory responses linked to health.

METHODS

A parallel group randomized controlled trial examined the effect of a six-week online gratitude (n = 31) vs. control (n = 30) writing intervention on neural activity and inflammatory outcomes. Pre- and post-intervention, healthy female participants (ages 35-50) reported on support-giving behavior and provided blood samples to assess circulating plasma levels and stimulated monocytic production of tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6)). Post-intervention, participants completed a gratitude task and a threat reactivity task in an fMRI scanner.

RESULTS

There were no significant group differences (gratitude vs. control intervention) in neural responses (VS, SA, or amygdala) to the gratitude or threat tasks. However, across the entire sample, those who showed larger pre- to- post-intervention increases in self-reported support-giving showed larger reductions in amygdala reactivity following the gratitude task (vs. control task). Additionally, those who showed larger reductions in amygdala reactivity following the gratitude task showed larger pre-to-post reductions in the stimulated production of TNF-α and IL-6. Importantly, gratitude-related reductions in amygdala reactivity statistically mediated the relationship between increases in support-giving and decreases in stimulated TNF-α production.

CONCLUSION

The observed relationships suggest that gratitude may benefit health (reducing inflammatory responses) through the threat-reducing effects of support-giving.

Stress-Buffering Effects of Volunteering on Daily Well-Being: Evidence From the National Study of Daily Experiences

OBJECTIVES

Building on theoretical frameworks and empirical evidence linking volunteering and well-being in later life, we investigated the associations between daily engagement in formal volunteering, stressors, and negative and positive affect, focusing on the stress-buffering effect of volunteering.

METHODS

We used 8 days of daily diary data from the second wave of the National Study of Daily Experiences (NSDE II), a national survey of middle-aged and older adults (participant N = 1,320; participant-day observation N = 8,277). A series of multilevel models were estimated to assess the within-person associations between daily volunteering, stressors, and affect.

RESULTS

A direct link between daily volunteering and affect was not discovered. However, we found that the association between daily stressors and negative affect (but not positive affect) was weaker on days when volunteering was performed compared to days volunteering was not performed.

DISCUSSION

Our findings suggested that the stress-buffering effect of volunteering contributes to improved emotional well-being for participants who volunteered on a daily basis. Future studies should investigate whether such stress-buffering effects are present for other forms of helping behaviors.

Short- and Long-term Effects of Support Visibility on Support Providers' Negative Affect

OBJECTIVES

Seminal research with spouses of chronic pain patients indicates that providing patients with instrumental support can be either costly or beneficial for spouses' well-being. Drawing from the invisible support literature, this study evaluated the extent to which patients' recognition of spouses' support moderated daily and long-term associations between spouses' support provision and negative affect.

METHOD

Data came from a sample of spouses (N = 145) of knee osteoarthritis (OA) patients, and the patients themselves. Participants completed a baseline interview, 22 days of daily diaries, and two follow-up interviews 6 and 18 months after baseline. Multilevel models were estimated to test study hypotheses.

RESULTS

As expected, support visibility moderated daily and long-term associations between spouses' instrumental support provision and negative affect. Spouses reported elevated levels of negative affect in response to providing patients with extra care and attention, but only when their support was not recognized (i.e., reported) by patients.

DISCUSSION

Findings from the current study pinpoint support visibility as a protective factor that may mitigate negative short- and long-term effects of spousal instrumental support provision on spouses' negative affect. Promoting patients' awareness of their spouses' support may offset negative emotional consequences of caregiving in the context of chronic health stressors.

Individual differences in resting-state connectivity and giving social support: implications for health

There is a growing appreciation for the health benefits of giving support, though variability in such behavior exists. Based on the possibility that the dorsomedial (DMPFC) default network subsystem is associated with social thinking and behavior, integrity of this subsystem may facilitate giving support to others. The current study tested associations between DMPFC subsystem connectivity at rest and tendencies related to giving support. During a functional magnetic resonance imaging session, 45 participants completed an emotional social cues task, a resting-state scan and self-report measures of social support. Supportive behavior during the month following the scan was also assessed. Greater DMPFC subsystem connectivity at rest was associated with greater support giving (though not receiving or perceiving support) at the time of the scan and one month later. Results held after adjusting for extraversion. In addition, greater resting-state DMPFC subsystem connectivity was associated with attenuated dorsal anterior cingulate cortex, anterior insula and amygdala activity to others’ negative emotional social cues, suggesting that DMPFC subsystem integrity at rest is also associated with the dampened withdrawal response proposed to facilitate care for others in need. Together, results begin to hint at an additional role for the ‘default’ social brain: giving support to others.

The Resting Brain Sets Support-Giving in Motion: Dorsomedial Prefrontal Cortex Activity During Momentary Rest Primes Supportive Responding

Humans give support, care, and assistance to others on a daily basis. However, the brain mechanisms that set such supportive behavior in motion are unknown. Based on previous findings demonstrating that activity in a portion of the brain’s default network—the dorsomedial prefrontal cortex (DMPFC)—during brief rest primes social thinking and behavior, momentary fluctuations in this brain region at rest may prime supportive responding. To test this hypothesis, 26 participants underwent functional magnetic resonance imaging (fMRI) while they alternated between deciding whether to give support to a close other in financial need, receive support for themselves, and make arbitrary decisions unrelated to support. Decisions were interleaved with brief periods of rest. Results showed that, within participants, spontaneous activity in the DMPFC during momentary periods of rest primed supportive-responding: greater activity in this region at the onset of a brief period of rest predicted, on a trial-by-trial basis, faster decisions to give support to the close other. Thus, activating the DMPFC as soon as our minds are free from external demands to attention may help individuals “default” to support-giving. Implications for understanding the prosocial functions of the resting brain are discussed.

Making and Receiving Offers of Help on Social Media Following Disaster Predict Posttraumatic Growth but not Posttraumatic Stress

Objectives:

Social media provides an opportunity to engage in social contact and to give and receive help by means of online social networks. Social support following trauma exposure, even in a virtual community, may reduce feelings of helplessness and isolation, and, therefore, reduce posttraumatic stress symptoms (PTS), and increase posttraumatic growth (PTG). The current study aimed to assess whether giving and/or receiving offers of help by means of social media following large community fires predicted PTS and/or PTG.

Methods:

A convenience sample of 212 adults living in communities that were affected by large-scale community fires in Israel (November 2016) completed questionnaires on giving and receiving offers of help by means of social media within 1 mo of the fire (W1), and the PTSD checklist for DSM-5 (PCL-5) and PTG questionnaire (PTGI-SF), 4 mo after the fire (W2).

Results:

Regression analyses showed that, after controlling for age, gender, and distance from fire, offering help by means of social media predicted higher PTG (β = 0.22; t = 3.18; P < 0.01), as did receiving offers of help by means of social media (β = 0.18; t = 2.64; P < 0.01). There were no significant associations between giving and/or receiving offers of help and PTS.

Conclusions:

Connecting people to social media networks may help in promoting posttraumatic growth, although might not impact on posttraumatic symptoms. This is one of the first studies to highlight empirically the advantages of social media in the aftermath of trauma exposure.

Volunteering, polygenic risk for Alzheimer's disease, and cognitive functioning among older adults

OBJECTIVE

In the context of the public health burden posed by increases in Alzheimer's Disease (AD) prevalence around the globe and the related research efforts to identify modifiable risk factors for the disease, we sought to provide an empirical test of earlier claims that volunteering may be considered as a health intervention that could help to prevent or delay the onset of AD.

METHOD

Using nine waves of panel data from the U.S. Health and Retirement Study (n=9,697), we examined whether volunteering conferred cognitive health benefits in later life and whether volunteering served a gene-regulatory function to help alleviate cognitive decline associated with polygenic risk for AD. Multilevel models were used to estimate associations between volunteering, polygenic risk for AD, and cognitive functioning over time.

RESULTS

We found robust within-person associations between volunteering (assessed as volunteer status and time commitment) and cognitive functioning over time, such that volunteering was associated with higher levels of cognitive functioning and slower cognitive decline. The findings also provided evidence that the within-person associations for volunteering and cognitive decline were more pronounced for older adults at higher genetic risk for developing AD.

CONCLUSIONS

Our findings are in line with a growing body of theoretical frameworks and empirical evidence suggesting that prosocial behaviors are directly associated with biological systems and may modify gene regulation to confer health benefits. The analytic approach taken in this study also provided a useful framework for investigating the effectiveness of other modifiable risk factors that vary over time in the context of cognitive decline related to genetic risk for AD.

Opioids and social bonding: Effect of naltrexone on feelings of social connection and ventral striatum activity to close others

Close social bonds are critical to immediate and long-term well-being. However, the neurochemical mechanisms by which we remain connected to our closest loved ones are not well understood. Opioids have long been theorized to contribute to social bonding via their actions on the brain. But feelings of social connection toward one's own close others and direct comparisons of ventral striatum (VS) activity in response to close others and strangers, a neural correlate of social bonding, have not been explored. Therefore, the current clinical trial examined whether opioids causally affect neural and experiential signatures of social bonding. Eighty participants were administered naltrexone (n = 40), an opioid antagonist that blocks natural opioid processing, or placebo (n = 40) before completing a functional MRI scan where they viewed images of their close others and individuals they had not seen before (i.e., strangers). Feelings of social connection to the close others and physical symptoms commonly experienced when taking naltrexone were also collected. In support of hypotheses, naltrexone (vs. placebo) reduced feelings of social connection toward the close others (e.g., family, friends, romantic partners). Furthermore, naltrexone (vs. placebo) reduced left VS activity in response to images of the same close others, but did not alter left VS activity to strangers. Finally, the positive correlation between feelings of connection and VS activity to close others present in the placebo condition was erased by naltrexone. Effects remained after adjusting for physical symptoms. Together, results lend support to theories suggesting that opioids contribute to social bonding, especially with our closest loved ones. (PsycINFO Database Record (c) 2020 APA, all rights reserved).

Modelling resilience in adolescence and adversity: a novel framework to inform research and practice

Recent conceptualisations of resilience have advanced the notion that it is a dynamic and multifaceted construct. However, its adaptive components, especially those forged by adversity, have not been fully realised, and its neurobiological and psychosocial underpinnings are yet to be meaningfully integrated. In part, this is because a developmental perspective is often neglected in the formulation of resilience. In this review, we consider the findings of resilience research, with a specific emphasis on the developmental period of adolescence. To bridge the gaps in our current understanding, we propose a model of resilience that is predicated on experiencing adversity. Specifically, our model provides a sophisticated insight into the components of resilience, which, together with intrinsic features, involves facilitation of, and skill acquisition via strengthening processes we term tempering and fortification. The model also points to the potential trajectories of adversity-driven resilience and forms the basis of a framework that allows for individual variance in resilience, and the identification of both neurobiological and psychosocial targets for prevention and therapeutic interventions.

Emotional support (giving or receiving) and risk of incident dementia: The Ohsaki Cohort 2006 Study

Previous studies have suggested that emotional support may promote cognition; however, the effects of giving or receiving emotional support on incident dementia remain unclear. Therefore, we sought to investigate the relationship between emotional support (giving or receiving) and incident dementia. In December 2006, we conducted a prospective cohort study of 31,694 Japanese individuals aged ≥65 years who lived in Ohsaki City, Miyagi Prefecture, Japan. A self-reported questionnaire including items on emotional support and lifestyle factors was distributed. After excluding those who did not provide consent or responses to all items, 13,636 eligible responses were analyzed for this study. According to responses of "yes" or "no" for emotional support, we made two categories for both giving (gave or did not give) and receiving (received or did not receive) emotional support. Furthermore, we combined giving and receiving emotional support into four categories ("giving = no & receiving = no", "giving = no & receiving = yes", "giving = yes & receiving = no", "giving = yes & receiving = yes"). Data on incident dementia were retrieved from the Long-term Care Insurance Database in which participants were followed up for 5.7 years. Using multivariate Cox proportional hazards models, we found that compared with participants who did not give emotional support to others, those who did give had a lower risk of dementia (multivariate-adjusted hazard ratio [HR]: 0.61 (95% confidence interval [CI]: 0.52, 0.71)). However, a nonsignificant relationship was observed for receiving emotional support. Additionally, compared to "giving = no & receiving = no" for emotional support, "giving = no & receiving = yes" showed a higher risk of dementia (multivariate-adjusted HR: 1.51 [95% CI: 1.07, 2.14]).