Differences in ontogeny, premorbid personality, and severity of schizophrenia in twins

Gestational and neonatal factors in the etiology of schizophrenia

“…Jacobsen and Kinney (1980) report that schizophrenics have a greater amount of severe OCs when compared to controls. Moskaienko (1984) also found a high rate of birthing complications in patients with severe schizophrenia. This is consistent with the research of Owen, Lewis, and Murray (1988) on the role of OCs as etiological components in schizophrenia.…”