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This is the final volume of the series of clinical studies on katatonia by this author, the first of which appeared in 1909. As in the earlier volumes, the material is derived from studies and observations of patients over a long series of years. The records of twenty cases are given in great detail; in eighteen of them hysterical or psychopathic traits, sometimes mixed with manic-depressive features, have been prominent and even predominant for many years before the appearance of katatonia and the final characteristic dementia; in one the katatonic symptoms occurred in connection with a paretic, and in the last with a polyneuritic picture. Following the case records, each accompanied by a critical summary, is an excellent, concise discussion of the general symptomatology, nature, course and outcome, prognosis and diagnosis. Urstein reiterates his previously published conviction that katatonia is a definite disease entity, the essence of which is some
KATATONIE UNTER DEM BILDE DER HYSTERIE UND PSYCHO-PATHIE.. Arch NeurPsych. 1922;8(6):704. doi:10.1001/archneurpsyc.1922.02190180117010