The Florida State Twin Registry: Research aims and design

Jeanette E. Taylor, Lisa M. James, Mark D. Reeves, Leonardo Bobadilla

Research output: Contribution to journalArticle

12 Scopus citations


Relatively little is known about the relationship of most personality disorders to executive cognitive functioning despite their associations with frontal cortex activity. Research on genetic influence is lacking for most personality disorders, and research on genetic influences associated with executive cognitive functioning is sparse and mixed. The Florida State Twin Registry was created to conduct a pilot twin study aimed at examining genetic influence on personality disorders and executive cognitive functioning. Measures included structured clinical interviews for symptoms and diagnoses of personality disorders (borderline, histrionic, narcissistic, antisocial, obsessive-compulsive, avoidant, and dependent), depression, substance abuse/dependence, anxiety disorders, and eating disorders. The Wisconsin Card Sorting Test and the Stroop Color-Word Test were administered to assess executive cognitive functioning. Self-report questionnaires were included to assess maladaptive personality traits. Data sharing and future directions for growing the Florida State Twin Registry are discussed.

Original languageEnglish (US)
Pages (from-to)958-962
Number of pages5
JournalTwin Research and Human Genetics
Issue number6
StatePublished - Dec 1 2006

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