[Psychopathology of schizophrenic diseases].

After a short historical review the main symptoms of schizophrenia such as disorders of thought, perception, emotion and motor behavior are discussed. Doing this, the acknowledgements of the classical German psychiatry are displayed. Finally, the Schneiderian first and second rank symptoms (Symptome 1. und 2. Ranges) and the Bleulerian basic symptoms (Grundsymptome) are discussed.