Abstract
Research concerning the influence of core interpersonal patterns related to childhood trauma on the therapeutic process is scarce. We investigated interpersonal patterns at the start of treatment, changes in interpersonal patterns as treatment progressed, and the change process in a mixed-methods single case study of a supportive-expressive psychodynamic psychotherapy with a 33-year-old female with a history of childhood trauma. The patient showed a pervasive inability to open up towards others throughout the entire treatment, which is closely associated with others’ actual or anticipated rejection, disrespect and disinterest. Excessive use of expressive interventions, which target interpersonal change, initially led to a worsening of the patient’s condition. Via supportive and general interventions, symptom stabilization was achieved. The findings of this study suggest a thorough understanding of dominant interpersonal patterns is necessary to recognize their influence on the therapy process.