Personality Disorders: Theory, Research, and Treatment Vol. 9, Iss. 3,  (May 2018): 284-289. Although borderline personality disorder (BPD) features consistently show strong relations with chronic pain, the mechanisms underlying this association remain unclear. BPD is characterized by dysregulated emotion. Given previously observed relationships between emotion dysregulation and pain, we hypothesized that components of this dysregulation—elevated and labile negative affect and emotion sensitivity—would account for the relationship between BPD features and various pain complaints in a chronic pain patient sample. To read the full article, log in using your NHS OpenAthens details.