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Psychiatric genetics, a subfield of behavioral neurogenetics, studies the role of genetics in psychiatric conditions such as alcoholism, schizophrenia, bipolar disorder, and autism. The basic principle behind psychiatric genetics is that genetic polymorphisms, as indicated by linkage to e.g. a single nucleotide polymorphism (SNP), are part of the etiology of psychiatric disorders.〔 Psychiatric genetics is a somewhat new name for an old question, "Are behavioral and psychological conditions and deviations inherited".〔Maier, Wolfgang (2003). "Psychiatric genetics: overview on achievements, problems, perspectives". In Leboyer, M, Bellivier, F. Psychiatric genetics: methods and reviews. Humana Press. pp. 1–20.〕 The goal of psychiatric genetics is to better understand the etiology of psychiatric disorders, to use that knowledge to improve treatment methods, and possibly also to develop personalized treatments based on genetic profiles (see pharmacogenomics). In other words, the goal is to transform parts of psychiatry into a neuroscience-based discipline. ==History== Research on psychiatric genetics began in the late nineteenth century with Francis Galton (a founder of psychiatric genetics) who was motivated by the work of Charles Darwin and his concept of desegregation. These methods of study later improved due to the development of more advanced clinical, epidemiological, and biometrical research tools. Better research tools were the precursor to the ability to perform valid family, twin, and adoption studies. Researchers learned that genes influence how these disorders manifest and that they tend to aggregate in families.〔 〔 〕 〔 〕 〔 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Psychiatric genetics」の詳細全文を読む スポンサード リンク
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