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Over the course of almost twenty-five years, a team of researchers and clinicians from the Child and Adolescent Psychiatry Unit in Lausanne have set up research projects concerning the follow-up of infants born after an adverse perinatal event such as extreme prematurity. Linked to the neonatal unit of the University Hospital of Lausanne, these projects have evolved over time according to the new questions that each observation and finding generated. Through an ongoing exercise of listening, interrogating, and confirming the results, research questions and the researchers' subtle understanding of the processes involved were developed, enabling a different approach to this perinatal issue.