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The Florida State Twin Registry: Research Aims and Design

Published online by Cambridge University Press:  21 February 2012

Jeanette E. Taylor ,
Lisa M. James ,
Mark D. Reeves  and
Leonardo Bobadilla
Jeanette E. Taylor*
Affiliation:
Department of Psychology, Florida State University, Tallahassee, Florida, United States of America. [email protected]
Lisa M. James
Affiliation:
Department of Psychology, Florida State University, Tallahassee, Florida, United States of America.
Mark D. Reeves
Affiliation:
Department of Psychology, Florida State University, Tallahassee, Florida, United States of America.
Leonardo Bobadilla
Affiliation:
Department of Psychology, Florida State University, Tallahassee, Florida, United States of America.
*
*Address for correspondence: Jeanette Taylor, Department of Psychology, 209 Eppes Hall, Florida State University, Tallahassee, FL 32306–1270, USA.

Abstract

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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.

Type
Articles/United States of America
Information
Twin Research and Human Genetics , Volume 9 , Issue 6 , 01 December 2006 , pp. 958 - 962
Copyright
Copyright © Cambridge University Press 2006