The study, published open access in September 2026, recruited 289 undergraduate students and analyzed data from 226 of them, most of them women with an average age of about 22. Participants first completed a battery of questionnaires measuring depressive symptoms with the Beck Depression Inventory-II, rejection sensitivity with the Adult Rejection Sensitivity Questionnaire, and trait social pain with the Social Pain Questionnaire. They were then randomly assigned, one to one, to one of two versions of the Cyberball task, a computerized ball-tossing game that has become the workhorse of ostracism research since its introduction more than two decades ago. Players believe they are tossing a virtual ball with real peers; in reality, the co-players are pre-programmed, and the researchers control exactly how many passes each participant receives.

What makes this study stand out is its unusual comparison condition. Most Cyberball research contrasts exclusion with typical inclusion, but the Romanian team chose over-inclusion instead: one group received at most about one-sixth of the total passes, while the other received roughly half of all throws, far more than a fair share. This design choice matters because depression is associated not only with heightened sensitivity to social threat but also with blunted responsiveness to reward and positive affect. By contrasting a negative social event with an unusually positive one, the researchers could test whether depressive symptoms amplify distress specifically in response to social threat, or whether they distort reactions to any socially salient situation. The manipulation worked dramatically: over-included participants reported receiving far more passes than excluded participants, with a Cohen’s d of 3.85, one of the largest effect sizes you will see in social psychology.

The results were strikingly valence-specific. Depressive symptoms predicted higher social pain after the game, but only in the exclusion group. In the over-inclusion group, the link between symptoms and pain was essentially flat. The same pattern held for belonging: the interaction between depressive symptoms and condition was significant, meaning that the more depressive symptoms a person had, the more sharply their sense of belonging collapsed when they were excluded. In other words, depression does not make people uniformly hypersensitive to social interaction; it makes them exquisitely vulnerable to the specific moment when social connection is withdrawn.

Attribution turned out to be the cognitive engine behind this vulnerability. Healthy people typically show a self-serving bias: they credit themselves for good outcomes and blame external circumstances for bad ones. Meta-analytic evidence going back to Mezulis and colleagues in 2004 shows that this protective bias weakens or even reverses as depressive symptoms rise. The new experiment captured this reversal in real time. Participants rated on 0-to-10 scales who or what caused the outcomes they experienced, with lower scores indicating more internal, self-directed attributions. As depressive symptoms increased, excluded participants increasingly blamed themselves for being left out, while over-included participants increasingly discounted the credit, treating the flood of passes as undeserved or externally caused. The interaction between depressive symptoms and condition on attribution was statistically significant, painting a picture of a mind that absorbs blame for rejection and deflects praise for acceptance.

The centerpiece of the paper is a conditional process model that ties these threads together. Under exclusion, depressive symptoms predicted lower belonging, and lower belonging in turn predicted higher social pain, yielding a significant indirect effect. Crucially, the direct link from depressive symptoms to pain was conditional on attribution: when participants attributed the exclusion internally, blaming themselves, the effect of depressive symptoms on pain was strong and significant. When attribution was external, the link vanished entirely. The full moderated-mediation model accounted for 37 percent of the variance in social pain, and a path-model cross-check confirmed the results with good fit indices. The message is that social pain in depression is not driven by exclusion per se, but by how exclusion is cognitively construed, particularly by people prone to negative self-referential thinking.

Guilt followed a different and revealing trajectory. Depressive symptoms predicted higher guilt across both conditions, but guilt did not show the contextual sensitivity that pain did, and the attributional moderation was non-significant for guilt. The authors interpret this carefully: guilt may reflect a more generalized self-evaluative response tied to depressive symptomatology rather than a reaction to the immediate social situation. They also acknowledge a conceptual wrinkle. Guilt classically requires a sense of responsibility for harm or norm violation, yet in Cyberball the participant is the target of exclusion, not the transgressor. Some of what participants labeled as guilt may overlap with the discomfort of advantageous inequity, the awkwardness of receiving more than one’s share, a phenomenon documented in behavioral economics since Fehr and Schmidt’s influential fairness model.

The neuroscience underlying these findings gives them added weight. Neuroimaging work by Naomi Eisenberger and colleagues, published in Science in 2003, demonstrated that social exclusion activates the dorsal anterior cingulate cortex and anterior insula, regions also involved in processing physical pain. Later studies showed that people who are excluded show greater pain-related brain activity and reduced activity in emotion-regulation networks. Clinical studies using Cyberball in diagnosed depression have found heightened autonomic, endocrine, and neural responses to ostracism, including altered amygdala and insula activity and dysregulated oxytocin and cortisol dynamics. The Bucharest study reproduces the direction of these clinical differences at the mechanistic level, in a non-clinical sample, which supports the idea that the relevant processes operate continuously from subclinical symptoms to diagnosable disorder.

The translational implications are concrete. Because belonging emerged as a proximal mediator of social pain, the authors propose that brief belonging-repair interventions, such as social reconnection prompts or acceptance cues, could be tested as micro-interventions to attenuate distress after exclusion, first in high-symptom community samples and then in patients. Even more intriguing is attributional retraining: shifting people from global, internal, uncontrollable self-blame toward more specific, external, or controllable appraisals of social setbacks. The moderation results suggest that the benefits of such retraining should be largest precisely among those most prone to self-blame, making attribution a modifiable cognitive target that could weaken the depression-pain link in everyday interpersonal life.

The authors are candid about limitations. The sample was not clinically diagnosed, the BDI-II was used as a continuous severity index rather than a diagnostic tool, and the study lacked a typical-inclusion group. Comorbid conditions such as social anxiety and borderline personality disorder, both marked by rejection sensitivity, were not measured and could confound depression-specific pathways. Yet the core finding stands as a compelling reframing of an old insight. The phrase ‘it’s not you, it’s me’ is usually a polite fiction, but for people with depressive symptoms facing social rejection, it is a cognitive reality, and a costly one. The study suggests that the most promising route to softening the blow of rejection is not to change the social world, but to change the story people tell themselves about who is to blame.

Subject of Research: The role of attribution and belonging threat in the emotional response to social rejection in depressive symptomatology

Article Title: It’s not you, it’s me: the emotional response of social rejection in depressive symptomatology

Article References: Caculidis-Tudor, D., Turlui, A., & Nedelcea, C. (2026). It’s not you, it’s me: the emotional response of social rejection in depressive symptomatology. Current Psychology, 45(17), Article 1480. https://doi.org/10.1007/s12144-026-09992-9

Image Credits: AI Generated

DOI: 10.1007/s12144-026-09992-9

Keywords: depression, social rejection, social pain, Cyberball, attribution, self-blame, belonging, ostracism, rejection sensitivity, guilt, Current Psychology, experimental psychology