[Post-schizophrenic depression].

The post-psychotic depression is a very controversial subject in psychiatry. Among the authors who have dealt with post-psychotic depression there is no general agreement on the topic ; their point of views can be summarized as follows: -- It is a phenomenon which can be regularly observed and which is a phase of psychotic evolution. -- It can be considered only as a phase which is secondary neuroleptic administration. -- The depressive mood as one which had always been present but hidden by the acute psychotic phenomena and thus not observable. -- It is a consequence of an intensive psychotherapeutic approach. This paper summarizes the literature concerning the above-mentioned point of views.