[Significance of environmental factors for the development of schizophrenic psychoses].

Various factors of environment are analyzed by means of literature with regard to their significance for the development of schizophrenic psychoses. These factors are classified as follows: family situation, ecological factors, stress situations, professional situations, transcultural points of view, extraordinary circumstances. Although there are a great number of analyses, they partly come to different, even opposite results. Yet most authors agree in recognizing the influence of factors of environment on the development of schizophrenias.