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Article
July 1978

Genetic Strategies in Biological Psychiatry

Arch Gen Psychiatry. 1978;35(7):866-873. doi:10.1001/archpsyc.1978.01770310072005
Abstract

• Studies of the etiology of schizophrenia and other psychiatric illnesses may be executed by using a genetic framework in the experimental design. This article describes research strategies for identifying the genetic factors that produce a vulnerability to a psychiatric illness. The proposed strategies evaluate the role of a given genetic factor by comparing the transmission of this factor within pedigrees to the transmission of that illness. In a biologically heterogeneous disorder, these strategies can be used to identify homogeneous subgroups. This report also describes a strategy for identification of the environmental events that promote the development of a psychiatric illness, either independently or in conjunction with the genetic diathesis.

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