Borderline personality disorder (BPD) is an impairing mental illness and has a core component of emotional dysregulation. Evidence suggests the emotional cascade model describes how this emotional dysregulation leads to engaging in risky and life-threatening behaviors, such as non-suicidal self-injury (NSSI). Specifically, this model describes rumination as a cognitive component that links the emotional and behavioral dysregulation. The current study aimed to expand the model by investigating how individuals with heightened BPD traits engage in NSSI and in cognitive strategies to cope with their negative affect. Specifically, it was investigated whether behaviors like suicide attempts and cognitions differentiated between those with mild/moderate and severe NSSI. Criterion for severe NSSI was hospitalization or medical care because of NSSI. Participants (N = 292) were screened to endorse a history of NSSI and then self-selected to take a self-report survey through Mturk. Correlations and a binomial logistic regression were completed. Results indicated suicide attempts, BPD symptoms, and anger rumination differentiated mild/moderate and severe NSSI. Evidence reinforces the strong relationships between NSSI, suicide attempts, and BPD. Additionally, it reinforces anger rumination as a potential cognitive mechanism in NSSI. Future research can continue to test this model and include other potential thought processes to increase efficiency in assessment and treatment of BPD and NSSI.
| Identifer | oai:union.ndltd.org:MSSTATE/oai:scholarsjunction.msstate.edu:td-7251 |
| Date | 13 August 2024 |
| Creators | Mason, Courtney K. |
| Publisher | Scholars Junction |
| Source Sets | Mississippi State University |
| Detected Language | English |
| Type | text |
| Format | application/pdf |
| Source | Theses and Dissertations |
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