SECTION D ABNORMAL PSYCHOLOGY 



(Hall 6, September 24, 3 p. m.) 



CHAIRMAN: DR. EDWARD COWLES, Waverley, Mass. 

 SPEAKERS: DR. PIERRE JANET, College de France, Paris. 



DR. MORTON PRINCE, Boston. 

 SECRETARY: DR. ADOLF MEYER, New York City. 



THE RELATIONS OF ABNORMAL PSYCHOLOGY 



BY PIERRE JANET 

 (Translated from the French by Dr. J. W. Baird, Johns Hopkins University) 



[Pierre Janet, Professor of Psychology, College de France; Director of the Psych- 

 ological Laboratory at The Salpetriere. b. Paris, France, May 30, 1859. Ph.D. 

 1882; Litt.D. 1889; M.D. 1893; Officer of Public Instruction; Chevalier of 

 the Legion of Honor. Assistant Professor of Psychology at The Sorbonne, 

 1898-1902; Professor of Experimental and Comparative Psychology at the 

 College de France, since 1902. Member of Medico-Psychological Society; Med- 

 ical Society of Paris; Society for Psychological Research; Italian Psychiatry 

 Society. Author of Psychological Automatism; The Mental State of Hystericals; 

 Nervous Afflictions and Fixed Ideas; Obsessions and Psychasthenia.] 



GENTLEMEN: I feel that it is a great honor to be called upon 

 to address the Section of Pathological Psychology in the St. Louis 

 Congress. The United States has done much for psychology; your 

 magnificent laboratories, your important publications, and your 

 eminent men who have devoted themselves in great numbers to 

 psychological investigation, have contributed abundantly to the 

 development of the science. We are pleased to come and admire 

 your work; we are proud to bring to you the results of our own 

 investigations. 



I am -the more encouraged to present to you the greetings of 

 the psychologists of France, by the fact that we have been con- 

 cerned chiefly with the somewhat specialized topic of patholog- 

 ical or abnormal psychology to which this Section of the Congress 

 is to be devoted. If I mistake not, the investigators of other coun- 

 tries tend to separate two branches of study which we are disposed 

 to unite; they study on the one hand, the psychology of the nor- 

 mal individual, or the individual who is regarded as being normal, 

 and on the other hand, they are concerned with mental diseases, 

 their analysis, and especially their classification. It, seems to me 

 that we in France, under the influence of two of my masters, Ribot 

 and Charcot, whose names I am pleased to recall to you, have 

 endeavored rather to throw light upon psychiatry by a study of 



