(en) Background. – The differentiation process is both a crucial and central issue in gemellar psychodynamics. It is a complex, multifaceted process (conscious and unconscious) and therefore important to specify. This approach in parallel prompted important questions concerning what would be the best therapeutic setting in the perspective of a psychotherapeutic treatment, particularly concerning the need for a separate setting or not for each child. Method. – This study is based on the analysis of a clinical case concerning 11 years old twin boys under psychotherapeutic treatment. Findings. – Different stages and their dynamics in the psyche that underlie the differentiation process are analysed, both in the twins and in those close to them. A hypothesis emerged which suggested that differentiation can be forced on and be more seemingly established than truly accomplished. As for the modalities of a therapeutic setting, they need to be thought over again and again in close echo to the twins state of differentiation. Conclusion. – In twins, differentiation can be more apparent than achieved. Therefore, the state of the differentiation process needs to be determined because it closely interacts with the choice of the therapeutic setting.
Bernard, J., & de Becker, E. (2013). La question de la différenciation dans le lien gémellaire : quand les différences ne suffisent pas à se différencier. Neuropsychiatrie de l’Enfance et de l’Adolescence, 61(*), 60-65. https://doi.org/10.1016/j.neurenf.2012.11.002 (Original work published 2013)