Article Title: Klinefelter’s syndrome (XXY) as a genetic model for psychotic disorders

Authors: L.E. DeLisi, A.M. Maurizio, C. Svetina, B. Ardekani, K. Szulc, J. Nierenberg, J. Leonard, P.D. Harvey

Date of Publication: May 5, 2005

“Males with an extra-X chromosome (Klinefelter’s syndrome) frequently, although not always, have an increased prevalence of psychiatric disturbances that range from attention deficit disorder in childhood to schizophrenia or severe affective disorders during adulthood. In addition, they frequently have characteristic verbal deficits. Thus, examining brain magnetic resonance imaging (MRI) scans of these individuals may yield clues to the influence of X chromosome genes on brain structural variation corresponding to psychiatric and cognitive disorders.”

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