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After having recalled the role of polysensoriality in the process of access to intersubjectivity (corresponding to the possibility of discovering the object and of feeling it in exteriority), the authors present four observations of children with various dyssensorialities, without having become autistic. Afterwards, by reflecting on the transition from intersubjectivity to subjectivation, different hypotheses are then proposed to account for what has prevented these children from being autistic.