Published online by Cambridge University Press: 06 August 2018
Although the prevailing conception of the aetiopathogenesis of schizophrenia assumes the combined effect of a biological predisposition and of environmental stress, genetic factors have recently received more attention than environmental ones. Rather than concentrating on only one of these, Professor Tienari and his team have directed their research efforts to clarifying the joint effects of both. For that purpose, they have gathered a comprehensive body of material, starting from 19 447 schizophrenic women with 291 children given away for adoption; of the latter, 155 index children, with their biological and adoptive parents, were ultimately included in their study. A group of 185 control children was collected for comparison, and their parents (adoptive and biological) were also investigated.
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