This article tries to make a distinction between paranoid elements in adolescence and authentic paranoia. It opposes diffraction and projection in order to differentiate the paranoid elements from paranoiac psychosis. It shows how the physical indexes of sexual maturity infer a return of the « originary » and a new interpretation of the primal bonds. According to this interpretation by the psychic environment, the teenager can build new demarcations between intrapsychic, intersubjective, intimacy and otherness. These interpretations enable the teenager to conquer a new intimacy through the bond of incompatibility

Adolescence, 2008, T. 26, n°3, pp. 597-611.