Developments in digital technology provide psychotherapists with the possibility of new treatments. This article with describe what is specific to French digital mediations. It will point out the advantages and disadvantages of online therapies as well as their indications and counter-indications. A discussion of a vignette of psychotherapy of an adolescent girl will serves as an illustration of how email can be a worthwhile mediator. A hypothesis will be posited regarding the processes that have enabled the changes observed in this online treatment.

Adolescence, 2015, 33, 3, 511-521.