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Possible Relationships Between Genetic, Biochemical, and Experiential Factors

William Pollin, MD

Arch Gen Psychiatry. 1972;27(1):29-37.

Abstract
A series of studies in schizophrenia, using several varieties of the twin study method, are reviewed and five major conclusions or hypotheses drawn. A modified twin study design—the co-twin comparison method—is described, with which these conclusions and hypotheses can be tested; and two additional major issues—specificity to schizophrenia, and the antecedent-consequent question—dealt with. A stress model of schizophrenia pathogenesis is presented, which attempts to integrate genetic, biochemical, and experiential variables.

Author Affiliations
Bethesda, Md

From the Section on Twin and Sibling Studies, Adult Psychiatry Branch, National Institute of Mental Health, Bethesda, Md.

Footnotes
Accepted for publication Jan 10, 1972.

Reprint requests to Section on Twin and Sibling Studies, Bldg 10, Room 4N206, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Md 20014 (Dr. Pollin).

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