A computational signature of self-other mergence in Borderline Personality Disorder.

ABSTRACT: A tendency to merge mental representations of self and other is thought to underpin the intense and unstable relationships that feature in Borderline Personality Disorder (BPD). However, clinical theories of BPD do not specify, in computational terms, how the perspectives of self and other might become confused. To address this question, we used a probabilistic false belief task (p-FBT) to examine how individuals with BPD (N = 38) and matched controls from the general population (N = 74) selectively assigned beliefs to self or other. The p-FBT requires participants to track a gradually changing quantity, whilst also predicting another person's belief about that quantity. We found that BPD participants showed less selectivity in belief assignment compared with controls (Cohen's d = 0.64). B

SUBMITTER: Story GW 

PROVIDER: S-EPMC11576885 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature