The present study examined the emotional reactivity of persons with heightened borderline personality (BP) features to social rejection and negative evaluation in the laboratory. Individuals with high levels of BP features (n = 30) and controls with low levels of BP features (n = 44) were randomly assigned to a condition involving negative evaluation based on writing (negative evaluation/academic), or a condition involving negative evaluation based on personal characteristics as well as social rejection (negative evaluation/social rejection). Hypothesis 1 was that high-BP individuals, but not low-BP controls, would show greater emotional reactivity to the negative evaluation/social rejection stressor, compared with the negative evaluation/academic (writing) stressor. Hypothesis 2 was that high-BP individuals would specifically show greater reactivity of shame- and anger-related emotions to the negative evaluation/social rejection stressor compared with the negative evaluation/academic stressor. Findings indicated that high-BP individuals showed heightened emotional reactivity to the social rejection stressor but not to the negative evaluation stressor, but the opposite pattern occurred for controls. In addition, there was evidence for heightened reactivity of irritability, distress, and shame for the high-BP group, specifically in the social rejection condition.

This study examined the effects of laboratory-induced fear on impulsivity among participants who were high (n = 28) or low (n = 44) in borderline personality (BP) features. Participants were randomly assigned to complete a laboratory measure of impulsivity (passive avoidance learning task) following either a neutral mood induction or a fear induction. BP features moderated the association of the emotion condition (fear vs. neutral) with impulsivity: High-BP participants, but not low-BP participants, committed a greater number of impulsive responses in the fear condition compared with the neutral condition. Findings indicated that impulsivity among persons with BP features may not be a trait-like deficit, but rather, depends on emotional context. These findings suggest that future research should examine impulsivity under differing emotional conditions, and that clinical interventions to reduce impulsivity among persons with BP features should focus on responses to emotional contexts.

This laboratory study examined the emotional reactivity of persons with heightened borderline personality (BP) features to a social rejection stressor. Participants with high levels of BP features (n = 43) and controls with low levels of BP features (n = 67) were randomly assigned to a condition involving negative evaluation and social rejection based on personal characteristics, or to a condition involving a frustrating arithmetic task and negative evaluation based on performance. Hypotheses were that the high-BP individuals would demonstrate greater increases in negative emotions, shame, and anger in response to the social rejection/negative evaluation stressor, compared with the frustrating arithmetic task. The high-BP group showed significant increases in negative emotions in both conditions, significant increases in shame only in the frustrating arithmetic task, and significant increases in hostility only in the social rejection condition. In contrast, low-BP controls showed significant increases in negative emotions generally in the frustrating arithmetic condition and shame specifically in the social rejection condition. These findings highlight the emotion and context-specific nature of emotional reactivity in relation to BP features.

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This study examined emotional reactivity and emotion regulation strategies used by participants high (n = 41) and low (n = 55) in borderline personality (BP) features. Participants were randomly assigned to a neutral or fear emotion induction, and emotional responses (self-report and psychophysiological) were assessed. Participants also reported the types of strategies they used to regulate their emotions during the emotion induction. The high-BP (but not low-BP) participants reported greater fear, Upset, and hostility in the fear condition compared with the neutral condition. The participants in the fear condition evidenced vagal withdrawal, relative to the neutral condition, although there was some evidence of vagal withdrawal among the high-BP group in the neutral condition as well. Further, the high-BP (vs. low-BP) participants reported greater use of distraction, cognitive reappraisal, and emotion suppression, and less use of emotional acceptance. Reported use of acceptance partially mediated the moderation effect of BP features on the relationship between condition and reported hostility.