What is it about?
People with borderline personality disorder (BPD) often struggle with trusting others. Although previous research has discussed this issue, it had not clearly measured how strong this connection is. To address this, we conducted a study that combined results from many previous experiments to see whether people with BPD show more mistrust than others. We analyzed data from 26 studies, including over 3,700 people, and found that individuals with BPD do show noticeably higher levels of mistrust compared to those without BPD.
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Why is it important?
This finding suggests that mistrust plays an important role in BPD and should be carefully considered during treatment. Helping people with BPD build trust in others may improve the effectiveness of therapy and support their recovery.
Perspectives
We hope this work encourages more focus on trust-related issues in BPD. Without building trust, many treatments may not work as well as they should. Helping individuals with BPD to develop trust could be key to improving their mental health and treatment outcomes.
Yagizcan Kurt
University College London
Read the Original
This page is a summary of: Laboratory-assessed mistrust in borderline personality disorder: A meta-analytic review., Personality Disorders Theory Research and Treatment, May 2025, American Psychological Association (APA),
DOI: 10.1037/per0000739.
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