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June 1, 1907


Author Affiliations

Professor of Mental Diseases in the University of Pennsylvania. PHILADELPHIA.

JAMA. 1907;XLVIII(22):1852-1855. doi:10.1001/jama.1907.25220480030002g

Psychiatry is the most backward of the sciences. This is not surprising because it deals with the most complex problems and has received but little aid from psychology, the study of the normal mind. So long as we are ignorant of the processes of normal thought and of the relation of brain to mind our knowledge of the processes of morbid thought must remain far from complete. The study of each, however, will help the other, and one of the most encouraging signs of the times is that psychologists, or some of them atleast, are now studying the matter clinically and comparing the normal with the abnormal. As a result of our comparative ignorance, the classification of the types of mental disease is most unsatisfactory. This is to be expected, for science is nothing other than classified knowledge. At present, classification is not scientific and accurate, but unscientific, inaccurate and

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