This article aims to review the development of the concept of mentalization, its applications in the understanding and treatment of borderline personality disorder, and the issue of its assessment. While conceptually derivative of theory of mind, Fonagy's concept of mentalization concerns more affectively and interpersonally complex understandings of oneself and others, reflecting abilities that enable an individual not only to navigate the social world effectively but also to develop an enriched, stable sense of self. The components of mentalization can be organized around self-/other-oriented, implicit/explicit, and cognitive/affective dimensions. Concepts of mindfulness, psychological mindedness, empathy, and affect consciousness are shown to partially overlap with mentalization within these three dimensions. Mentalization is assessed by the measure of reflective function, a scale to be used adjunctively on semistructured narrative interviews such as the Adult Attachment Interview. Its validity has not been fully tested, and its usage has been hampered by the time and expense it requires. Although the concept of mentalization is a useful heuristic that enables clinicians to adopt a coherent treatment approach, it may be too broad and multifaceted to be operationalized as a marker for specific forms of psychopathology such as borderline personality disorder. Research elucidating the relationship between reflective function, overlapping concepts, and features of borderline psychopathology is needed.
Purpose of the ReviewThis review summarizes advances in treatments for adults with borderline personality disorder (BPD) in the last 5 years.Recent FindingsEvidence-based advances in the treatment of BPD include a delineation of generalist models of care in contrast to specialist treatments, identification of essential effective elements of dialectical behavioral therapy (DBT), and the adaptation of DBT treatment to manage post-traumatic stress disorder (PTSD) and BPD. Studies on pharmacological interventions remain limited and have not provided evidence that any specific medications can provide stand-alone treatment.SummaryThe research on treatment in BPD is leading to a distillation of intensive packages of treatment to be more broadly and practically implemented in most treatment environments through generalist care models and pared down forms of intensive treatments (e.g., informed case management plus DBT skills training groups). Evidence-based integrations of DBT and exposure therapy for PTSD provide support for changing practices to simultaneously treat PTSD and BPD.
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