Impact of personality style changes on CBT and PDT treatment responses in major depression.

This study examines the influence of depressive personality styles on treatment responses in patients with major depression receiving cognitive behavioural therapy and psychodynamic therapy. We assessed changes in personality styles, including dependency, self-criticism, sociotropy, and autonomy, and their association with treatment response. Both treatment modalities led to significant reductions in self-criticism and sociotropy scores. Depressive symptom severity decreased overall, with a more pronounced reduction observed in the cognitive behavioural therapy group. Notably, reduced self-criticism and sociotropy were associated with better treatment outcomes in the cognitive behavioural therapy group. Our findings highlight the role of personality styles in influencing treatment outcomes for major depression. The study suggests an association between changes in personality styles and the reduction of symptoms. Our results support the idea that unique pathways of change are activated depending on the therapeutic intervention. These insights are critical in tailoring treatments to individual needs, addressing the central question of 'what works for whom'.

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Declaration of competing interest The Authors declare that there are no conflicts of interest.