Abstract. How can collective forms of work avoid the pitfalls of the dogmatic reproduction of knowledge ? Knowledge of the unconscious cannot be transmitted. What some individuals may perceive of the effect of their encounter with the experience of the unconscious allows them to assert its existence in their professional practice. What is most important is that the stance taken does not follow from the effect of any predetermined model, but rest rather on the experience of this encounter and the work shared with others in dealing with the contemporary discontents.