Adeline Perrot is a sociologist and doctoral student at the Université de Nantes and a CNRS (French National Centre for Scientific Research)-affiliated research engineer at the Maison des Sciences de l’Homme (MSH) Ange-Guépin in Nantes, within the framework of the ASHAM project, which concerns the sociological approach to the life habits of adults with Type 1 myotonic dystrophy. Her PhD thesis focuses on “unaccompanied foreign minors” in France as a category of public action and calls into question the limits of age and responsibility.