Mindfulness-based Neurofeedback to Augment Psychotherapy for Adults With Borderline Personality Disorder

This study tests whether mindfulness-based neurofeedback — a technique where participants learn to regulate their own brain activity in real time using brain scans, combined with mindfulness practice — can enhance the effects of psychotherapy in adults with borderline personality disorder (BPD). **You may be eligible if...** - You are between 18 and 60 years old - You have been diagnosed with BPD based on a structured clinical interview - You are fluent in English - Your medications and psychotherapy have been stable for at least 8–12 weeks **You may NOT be eligible if...** - You are currently in DBT (dialectical behavior therapy) psychotherapy outside of this study - You have a lifetime history of a primary psychotic disorder or Bipolar I disorder - You have a developmental disorder or learning disorder - You have moderate or severe substance use disorder in the last 6 months - You have active suicidal ideation with intent or plan in the past 3 months - You have MRI contraindications (including pregnancy) or are on sedating medications Talk to your doctor to see if this trial is right for you.