Twin and adoption studies in child and adolescent psychiatric disorders

Susan Folstein

Research output: Contribution to journalReview articlepeer-review

14 Scopus citations


Because environmental (both social and biological) and genetic factors are inextricably intertwined in families, it has been difficult to discern the relative influence of these possible causative factors in many child psychiatric disorders. Twin and adoption studies can be used to separate the effects of genetics from the social environment of rearing, and twin studies can often give clues to the importance of biological environmental factors. Both twin and adoption studies have been used to better understand the relative importance of these several causative factors and how they interact. Genetic factors play some role in most psychiatric disorders in which symptoms begin during childhood or adolescence, but the severity of symptoms may also involve some type of environmental influence.

Original languageEnglish (US)
Pages (from-to)339-347
Number of pages9
JournalCurrent Opinion in Pediatrics
Issue number4
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health


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