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December 1922


Arch NeurPsych. 1922;8(6):705-706. doi:10.1001/archneurpsyc.1922.02190180118012

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This is a statistical study of mental reaction-types observed in sixty-two clear-cut cases received at the neuropsychiatric clinic in Amsterdam between 1910 and 1920. Condensed histories of the patients are given at the end of the book, and it is noteworthy that, in many, direct mental examination was not possible, so that the analysis is often based on accounts given by relatives. The material includes three classes of cases: cerebral arteriosclerosis, thrombosis and hemorrhage. In the statistical work, when doubt existed as to the proper classification of a case in the following scheme, the author has followed the practice of assigning one half to one group and one half to the other. Two main groups are formed: (1) six and one half without psychic symptoms, and (2) fifty-five and one half with psychic symptoms. The second group is then divided according to the type of mental picture into (a) cases

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