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This book contains the results of an important psychological investigation.
The material covers 45 years of a Swedish rural population of 25,000 and comprises 1312 cases of psychosis, severe psychopathy, low-grade oligophrenia, and suicide.
This book is the first part of a two-part report. It deals with methods and basic material, age and onset of the disease, hospitalization and mortality, morbidity risks in the general population, etc. It also gives the results of consanguinous marriages in the general population and among the parents of psychotics and oligophrenics.
The second part will deal with the results of the family investigation of morbidity risks for parents and siblings of 1028 psychotics and oligophrenic probands, and will give a clinical and genetic analysis of the material.
From the present report they predict the number of psychotic cases in 1965. The research is of interest primarily to psychiatrists.
A Methodological, Psychiatric, and Statistical Study of a Large Swedish Rural Population.. AMA Am J Dis Child. 1955;90(4):476. doi:10.1001/archpedi.1955.04030010478010