Integrative · 1998
Mentalization-Based Treatment (MBT)
MBT (Mentalization-Based Treatment) is an integrative model, originally developed for borderline personality disorder, that understands psychological suffering as a consequence of failures of mentalising under emotional and interpersonal arousal, especially in attachment contexts. To mentalise is to be able to understand one's own and others' behaviour in terms of mental states (emotions, desires, beliefs, intentions), and MBT holds that this capacity becomes disorganised when arousal increases, misunderstandings arise and relational patterns of threat are activated. The therapy gives priority to stabilising mentalising in the relational here-and-now, restoring curiosity, perspective and interpretative flexibility, in order to reduce impulsivity, conflict, self-attack and interpersonal escalation, and to consolidate a more coherent identity and a more robust affective regulation.
Core ideas
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Psychological suffering arises from the collapse of mentalising under relational stress
MBT holds that many psychological problems are due not to stable deficits of personality, but to transient failures in the capacity to mentalise when the attachment system is activated. Under interpersonal stress, the person loses the capacity to understand their own and others' behaviour in terms of mental states, reacting impulsively, rigidly or defensively. The therapeutic aim is to restore mentalising precisely at those critical moments. (Fonagy et al., 2002; Bateman & Fonagy, 2006).
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Mentalising is a relational and contextual capacity, not a fixed trait
MBT understands mentalising as a fluctuating capacity that depends on emotional and relational context. A person may mentalise adequately in neutral situations and lose this capacity within significant relationships or under intense arousal. The therapy therefore does not focus on training abstract skills, but on strengthening mentalising where it tends to fail. (Fonagy et al., 2002).
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Therapeutic change is produced by recovering the capacity to think while feeling
The core of change in MBT is the recovery of the capacity to reflect on emotional experience while that experience is active. To mentalise is to hold affect and thought simultaneously, avoiding both impulsive acting out and defensive disconnection. When this capacity consolidates, emotional escalations decrease and behavioural flexibility increases. (Bateman & Fonagy, 2006).
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Excessive certainty about the other's mind is clinically dangerous
MBT regards rigid certainty about others' intentions and mental states as one of the principal indicators of mentalising collapse. This certainty feeds conflict, mistrust and defensive responses. Treatment promotes a functional doubt and a stance of curiosity that reopen the interpretative space and reduce hostile attributions. (Bateman & Fonagy, 2006).
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The therapeutic relationship is a live laboratory for mentalising
In MBT, the therapeutic relationship is not merely a support, but the principal context in which mentalising processes are observed, lost and recovered. The misunderstandings, tensions and ruptures that arise in session are actively used to train relational repair and mutual understanding, generating direct corrective experiences. (Bateman & Fonagy, 2004; 2006).
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The therapist adopts a not-knowing stance in order to protect mentalising
MBT emphasises a therapeutic stance of epistemic humility, in which the therapist avoids interpreting the patient's mind authoritatively. This not-knowing attitude reduces defensive arousal, models mentalising and encourages a collaborative exploration of mental states, protecting the therapeutic alliance. (Bateman & Fonagy, 2006).
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Emotional regulation is a necessary condition for mentalising
MBT recognises that mentalising is not possible once emotional arousal exceeds certain thresholds. Treatment therefore includes explicit interventions to modulate affect, pause escalations and restore a level of arousal that allows thinking. Regulation is not the final aim, but the requirement for mentalising to become available again. (Fonagy et al., 2002; Bateman & Fonagy, 2006).
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Improving mentalising transforms identity, relationships and agency
When the capacity to mentalise is strengthened in a sustained way, the person develops a more coherent identity, more stable relationships and a greater capacity to choose rather than react automatically. Therapeutic change in MBT shows itself as greater authorship, better repair of conflicts and a relational life that is less chaotic and more intelligible. (Bateman & Fonagy, 2016).
Influences
- Attachment theory
- Relational psychodynamics
- Social cognition
- Developmental psychology
- Theory of mind
Key references
- Bateman, A., & Fonagy, P. (2004). Psychotherapy for Borderline Personality Disorder: Mentalization-Based Treatment.
- Bateman, A., & Fonagy, P. (2006). Mentalization-Based Treatment for Borderline Personality Disorder: A Practical Guide.
- Fonagy, P., Gergely, G., Jurist, E., & Target, M. (2002). Affect Regulation, Mentalization, and the Development of the Self.
- Bateman, A., & Fonagy, P. (2016). Mentalization-Based Treatment for Personality Disorders: A Practical Guide.