[Re-issue of "From Anguish to Ectasy"]

Pierre Janet noteworthy works keep, after half a century, its interest and originality. Through his writings, he gives the main character of an unique system including all the psychopathology. An important place is given to the feelings and their psychological rules, this in a genetical context. Pierre Janet does not accept to give to the traumatic events a main importance, his conception is this of a unity of the mental pathology. Conception which is built on an innovation giving all the attract of this work: the notion of belief, the distinction between its structure and its object, the explanation of its importance in genetical evolution and in psychopathology. Pierre Janet shows by this research an unexplored way which can constitute a new phase in the modern psychopathology.