Published descriptions of manic-depressive psychosis are based mainly on the observation of patients in hospitals or sanatoriums for the insane. This type of material is incomplete; it represents only that fraction of patients with manic-depressive psychosis whose condition is so serious as to necessitate commitment. The vast numbers of patients with this psychosis who are afflicted so mildly that hospitalization is not necessary have influenced little, if at all, descriptions of this disorder. The material used for this study consists of 633 cases of manic-depressive psychosis from the private records of Dr. Hugh T. Patrick. These cases have an obvious advantage for study; not only do they represent cases in which the patients were so ill that institutionalization was imperative, but in this series there are a great number of patients who were so mildly afflicted that hospitalization was not necessary. A study of such material gives a view of
PASKIND HA. MANIC-DEPRESSIVE PSYCHOSIS AS SEEN IN PRIVATE PRACTICE: SEX DISTRIBUTION AND AGE INCIDENCE OF FIRST ATTACKS. Arch NeurPsych. 1930;23(1):152–158. doi:10.1001/archneurpsyc.1930.02220070155008
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