In their race through the his tory of science, psychiatry and psychology have run long stretches neck and neck without any mutual germination. It was only a hundred years ago that the first contact was established between psychology and psychopathology, when Griesinger (1845) began to view psychopathological phenomena in the light of psychology, basing his study on Herbart' s psychology. The greater the subsequent necessity for psychiatry to meet practical requirements - for instance in the case of forensic questioning -, the more the psychiatrist found himself compelled to bring the...