Self‐organisation in dialogical patterns of a patient with borderline personality disorder and their therapist: A case study from nonlinear dynamics perspective.

RESEARCH; STATISTICS; SELF-perception; BORDERLINE personality disorder; PSYCHOTHERAPISTS; CHAOS theory; MATHEMATICAL variables; PHYSIOLOGICAL adaptation; PSYCHOSOCIAL factors; CASE studies; INFORMATION resources; PSYCHOTHERAPY

Objective: The purpose of this study was to identify self‐organised dynamics in sessions with dialogical patterns (i.e. reflective interactions of self‐states associated with psychological change) within long‐term psychotherapy. One of the hallmarks of self‐organisation is the presence of an Inverse Power Law (IPL) in the frequency distribution of relevant events, which reflect better adaptation to internal and environmental changes, produced by psychotherapy. Methods: A case study of successful psychotherapy (44 weekly sessions) with a patient diagnosed with borderline personality disorder (BPD) and the therapist was conducted. The expressions of the subjectivity (i.e. voices) in the patient and therapist were identified through the Model of Analysis of Discursive Positioning in Psychotherapy (MAPP). State Space Grids (SSG) identified sessions that presented dialogical patterns acting as attractors (8 sessions) and those with non‐dialogical patterns acting as attractors (12 sessions). Finally, Orbital Decomposition (ORBDE) produced statistics of self‐organisation in both groups of sessions and the degree of fit to an IPL. Results: Both groups of sessions presented an acceptable fit to the IPL distributions (R2 =.853 and.938), and statistics placed them in different self‐organised regions. Conclusions: Although dialogical patterns are an emergent property of therapy, their structure is similar to sessions of other types, in that dynamic processes occur in them that can be empowered in patients to consolidate psychological change. The nonlinear and emergent character of these self‐organised processes and their clinical implications for activating the patients' psychological resources are discussed. [ABSTRACT FROM AUTHOR]

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