The Effectiveness of Acceptance and Commitment-Based Therapy on Cognitive Fusion, Perceived Stress, and Autobiographical memory in People with Borderline Personality Disorder

People with borderline personality disorder suffer from a lot of stress and negative emotions, so they experience a stressful life. The aim of the present study was to investigate the effect of acceptance and commitment therapy (ACT) on cognitive fusion, perceived stress and autobiographical memory in individuals with borderline personality disorder. The present study was a quasi-experimental study with pretest, posttest and control group. The statistical population of the study included all people with borderline personality disorder who referred to three counseling centers and a psychiatric clinic in Sanandaj in 1397, which was a total of 40 people. From this statistical population, samples of 30 people who were willing to cooperate and also available were selected, then the selected individuals were randomly assigned to the experimental and control groups. Initially, cognitive fusion, perceived stress and hyper-holistic narrative memory questionnaires were administered in both groups. The experimental group was then treated with Acceptance and Commitment (ACT) for 10 2-hour sessions but the control group did not receive treatment. Then post-test was performed for both groups. Data were analyzed using analysis of covariance. The results showed that acceptance and commitment-based therapy (ACT) has a significant effect autobiographical memory, cognitive fault, cognitive fusion, negative perception of stress and positive perception of stress in people with borderline personality disorder.