“What is the obsessional neurosis as such is not an easy question, because even the most characteristic symptom such as the ritual or the OCD, as it is called nowadays, belongs to the most different personalities.
Lacan used the structural model because there is no symptom that would characterize one structure or clinical type. The diagnosis is based on the coherence of the whole that corresponds to the way a speaking being arranges impossibility: the impossible unification of the living substance of the body and of the subject represented by the signifier.”
Click here to read full text in The European Journal of Psychoanalysis – Number 2 – February 2014