The purpose of the current study was to investigate the unique effects of a commonly used skill incorporated into treatment packages for borderline personality disorder (BPD), countering emotion-driven behavioral urges. Individuals with BPD (N = 8) participated in a single-case experimental design, specifically a multiple baseline, in which they were randomly assigned to complete a baseline assessment-only phase of 2 or 4 weeks. Participants then received four sessions of the countering emotional behaviors module from the unified protocol, followed by a 4-week follow-up phase. Throughout the duration of the study, daily data capture was used to assess real-time changes in the frequency of emotionally avoidant behaviors in response to emotional experiences. Symptoms of BPD, depression, and anxiety were also assessed. By follow-up, the majority of patients demonstrated a meaningful reduction (per single-case experimental design guidelines for evaluating improvements) in their use of avoidant behaviors. There was also preliminary evidence that encouraging participants to act counter to avoidant urges is associated with decreases in BPD, depression, and anxiety symptoms, as well as negative affectivity. The countering emotional behaviors skill from the unified protocol indeed engages its putative target of emotionally avoidant behavioral coping, indicating it is an active ingredient in multicomponent treatment packages for BPD, with implications for downstream clinical endpoints such as BPD and depressive and anxiety symptoms.

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Fear is an adaptive emotion that serves to protect an organism against potential dangers. It is often studied using classical conditioning paradigms where a conditioned stimulus is paired with an aversive unconditioned stimulus to induce a threat response. Less commonly studied is a phenomenon that is related to this form of conditioning, known as latent inhibition. Latent inhibition (LI) is a paradigm in which a neutral cue is repeatedly presented in the absence of any aversive associations. Subsequent pairing of this pre-exposed cue with an aversive stimulus typically leads to reduced expression of a conditioned fear/threat response. In this article, we review some of the theoretical basis for LI and its behavioral and neural mechanisms. We compare and contrast LI and fear/threat extinction—a process in which a previously conditioned cue is repeatedly presented in the absence of aversive outcomes. We end with highlighting the potential clinical utility of LI. Particularly, we focus on how LI application could be useful for enhancing resilience, especially for individuals who are more prone to continuous exposure to trauma and stressful environments, such as healthcare workers and first responders. The knowledge to be gained from advancing our understanding of neural mechanisms in latent inhibition could be applicable across psychiatric disorders characterized by exaggerated fear responses and impaired emotion regulation.

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