STUDIES OF HEREDITY AND ENVIRONMENT IN SCHIZOPHRENIA

本项目由以下研究组成：(1)密集的 一家系MZ四胞胎(女)的多学科研究 在精神分裂症方面是一致的，但在严重程度和结果上不一致； (2)丹麦被领养人及其亲生家庭和领养家庭的研究； (3)对养育儿童(精神分裂症患者和对照父母)的研究 以色列的城镇或集体农场。我们与四胞胎保持联系，但 在过去两年中，没有与他们进行积极的研究。这个 丹麦被领养人继续对我们感兴趣，我们正在准备 关于影响他们精神结果的因素的其他报告。这个 以色列儿童是密集研究工作的对象，而我们 计划与他们一起进行进一步的行为和生物学研究。

This project has been composed of the following studies: (1) An intensive multi-disciplinary study of a family with MZ quadruplets (daughters) concordant as to schizophrenia but discordant as to severity and outcome; (2) Studies of Danish adoptees and their biological and adoptive families; (3) A study of children (of schizophrenic and control parents) reared in town or kibbutz in Israel. We maintain contact with the quadruplets but have not pursued active studies with them during the past two years. The Danish adoptees are of continuing interest to us and we are preparing additional reports on factors involved in their psychiatric outcome. The Israeli children are the subject of intensive research efforts and we are planning further behavioral and biological studies with them.