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Social bonds fulfill the basic human need to belong. Being rejected thwarts this basic need, putting bonds with others at risk. Attachment theory suggests that people satisfy their need to belong through different means. Whereas anxious attachment is associated with craving acceptance and showing vigilance to cues that signal possible rejection, avoidant attachment is associated with discomfort with closeness and using avoidant strategies to regulate one's relationships. Given these different styles by which people satisfy their need to belong (that can operate simultaneously within the same individual), responses to social rejection may differ according to these individual differences in attachment anxiety and avoidance. To test this hypothesis, we used neuroimaging techniques to examine how the degree to which people display each of the two attachment dimensions (anxiety and avoidance) uniquely correlated with their neural activity during a simulated experience of social exclusion. Anxious attachment related to heightened activity in the dorsal anterior cingulate cortex (dACC) and anterior insula, regions previously associated with rejection-related distress. In contrast, avoidant attachment related to less activity in these regions. Findings are discussed in terms of the strategies that individuals with varying attachment styles might use to promote maintenance of social bonds.

Pain, whether caused by physical injury or social rejection, is an inevitable part of life. These two types of pain-physical and social-may rely on some of the same behavioral and neural mechanisms that register pain-related affect. To the extent that these pain processes overlap, acetaminophen, a physical pain suppressant that acts through central (rather than peripheral) neural mechanisms, may also reduce behavioral and neural responses to social rejection. In two experiments, participants took acetaminophen or placebo daily for 3 weeks. Doses of acetaminophen reduced reports of social pain on a daily basis (Experiment 1). We used functional magnetic resonance imaging to measure participants' brain activity (Experiment 2), and found that acetaminophen reduced neural responses to social rejection in brain regions previously associated with distress caused by social pain and the affective component of physical pain (dorsal anterior cingulate cortex, anterior insula). Thus, acetaminophen reduces behavioral and neural responses associated with the pain of social rejection, demonstrating substantial overlap between social and physical pain.

We summarize the empirical work on schadenfreude, or pleasure felt at someone else's misfortune. Although schadenfreude is a socially undesirable emotion, research reveals at least three conditions in which it commonly arises. One condition is when observers gain from the misfortune. We discuss research showing that gains in ingroup outcomes based on the failures of rival outgroups can create schadenfreude, especially for those highly identified with their ingroups. A second condition is when another's misfortune is deserved. We focus on research showing that the misfortunes of hypocrites are perceived as highly deserved and therefore create schadenfreude in observers. A third condition is when a misfortune befalls an envied person. We summarize studies showing that the core ingredients of envy prime the envying person for schadenfreude when the envied person suffers.

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People have a fundamental need to belong that, when satisfied, is associated with mental and physical well-being. The current investigation examined what happens when the need to belong is thwarted—and how individual differences in self-esteem and emotion differentiation modulate neural responses to social rejection. We hypothesized that low self-esteem would predict heightened activation in distress-related neural responses during a social rejection manipulation, but that this relationship would be moderated by negative emotion differentiation—defined as adeptness at using discrete negative emotion categories to capture one's felt experience. Combining daily diary and neuroimaging methodologies, the current study showed that low self-esteem and low negative emotion differentiation represented a toxic combination that was associated with stronger activation during social rejection (versus social inclusion) in the dorsal anterior cingulate cortex and anterior insula—two regions previously shown to index social distress. In contrast, individuals with greater negative emotion differentiation did not show stronger activation in these regions, regardless of their level of self-esteem; fitting with prior evidence that negative emotion differentiation confers equanimity in emotionally upsetting situations.