Feeling excluded no matter what? Bias in the processing of social participation in borderline personality disorder

NeuroImage. Clinical
Anna WeinbrechtBabette Renneberg

Abstract

Patients with Borderline Personality Disorder (BPD) feel ostracized even when they are included. This might be due to a biased processing of social participation in BPD. We examined whether patients with BPD also process social overinclusion in a biased manner, i.e., whether they feel ostracized even when the degree of social participation is increased. An EEG-compatible version of Cyberball was used to investigate the effects of inclusion and overinclusion (33% vs. 45% ball receipt) on perceived ostracism, need threat and P3 amplitude, an EEG indicator for expectancy violation. Twenty-nine patients with BPD, 28 patients with Social Anxiety Disorder (SAD) and 28 healthy controls (HC) participated. The P3 amplitude was enhanced for patients with BPD and SAD compared to HCs independent of condition. Both patient groups reported more perceived ostracism relative to HCs in the inclusion but not in the overinclusion condition. Only patients with BPD reported stronger need threat in both conditions. The EEG results imply that being socially included violates the expectations of patients with BPD, irrespective of the actual degree of social participation. However, when overincluded, patients with BPD no longer feel ostracized. Except ...Continue Reading

Citations

Jun 6, 2019·Cognitive, Affective & Behavioral Neuroscience·Johannes Sebastian WregeMarc Walter
Aug 21, 2020·PloS One·Anna WeinbrechtBabette Renneberg
Dec 19, 2018·Frontiers in Psychiatry·Kathrin MalejkoHeiko Graf

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Software Mentioned

nlme package of
Brain Vision Analyzer
MATLAB
R
Cyberball

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