This is an account of a follow-up study of 1,102 "functional psychotics" treated in Gausted Hospital, Norway, who had their first admissions between 1938 and 1950. The purpose of the investigation was "to make multifactorial analysis of prognostic clinical, social, hereditary and physiological aspects of various types of functional psychosis." The study was carried out in the years 1956-1960. Only 130 patients could not be followed up for five years (75 having died within five years); 972 patients remained in follow-up group (five years); schizophrenic 664; reactive 206; manic depressives 102; 655 were personally examined at follow-up by the authors, 274 by public health officers and relatives' accounts, and only 62 by questionnaire to patients.
The schizophrenic group are defined as those with the following symptoms:
1. catatonic traits
2. emotional blunting
3. depersonalization (delusional type)
5. disturbance of symbolization
6. haptic hallucinations (somatic delusions)
7. special types