Changes in attachment organization and reflective function (RF) were assessed as putative mechanisms of change in 1 of 3 year-long psychotherapy treatments for patients with borderline personality disorder (BPD). Ninety patients reliably diagnosed with BPD were randomized to transference-focused psychotherapy (TFP), dialectical behavior therapy, or a modified psychodynamic supportive psychotherapy. Attachment organization was assessed with the Adult Attachment Interview and the RF coding scale. After 12 months of treatment, participants showed a significant increase in the number classified secure with respect to attachment state of mind for TFP but not for the other 2 treatments. Significant changes in narrative coherence and RF were found as a function of treatment, with TFP showing increases in both constructs during treatment. No changes in resolution of loss or trauma were observed across treatments. Findings suggest that 1 year of intensive TFP can increase patients' narrative coherence and RF. Future research should establish the relationship between these 2 constructs and relevant psychopathology, identify treatment components responsible for effecting these changes, and examine the long-term outcome of these changes.

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Patients with borderline personality disorder respond to structured treatments in an outpatient setting with change in multiple domains of outcome. A structured dynamic treatment, transference-focused psychotherapy was associated with change in multiple constructs across six domains; dialectical behavior therapy and supportive treatment were associated with fewer changes. Future research is needed to examine the specific mechanisms of change in these treatments beyond common structures.

This report describes 2 studies of the psychometric characteristics of the primary clinical scales of the Inventory of Personality Organization (IPO; O. F. Kernberg & J. F. Clarkin, 1995), which assess reality testing, primitive psychological defenses, and identity diffusion, in a nonclinical sample. The 3 IPO scales display adequate internal consistency and good test-retest reliability. Item-level confirmatory factor analysis supported a two-factor structure of the IPO consistent with O. F. Kernberg's (1984, 1996) model of borderline personality organization. Each of the 3 IPO scales was associated with increased negative affect, aggressive dyscontrol, and dysphoria as well as lower levels of positive affect consistent with Kernberg's model of borderline personality organization. The IPO Reality Testing scale is closely related to various measures of psychotic-like phenomena.

These findings suggest specific frontolimbic neural substrates associated with core clinical features of emotional and behavioral dyscontrol in borderline personality disorder.

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