This article discusses the problem of normal and pathologic in Freud's work on the basis of two models: in the first one, there would be a notion of "psychic homeostasis", a status of dynamic balance that would gauge the conceptions of normal and pathologic, quantitatively distinct one fram another. In the second model, which could be seen since 1920, with the construction of Todestrieb's concept, Freud would confront the field beyond the pleasure principle. conveying the idea of a disequilibrium inherent to the subject.
Freud; normal; pathologic; instinct