N.I.H. study, Bethesda, Maryland, USA
Jay N. Giedd, MD Principal Investigator |
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The Child Psychiatry Branch of the National Institute of Mental Health is conducting a study of the effects of sex chromosomes on brain development. This study hopes to determine whether brain-imaging studies of children with sex chromosome variations will help uncover core biological features of these chromosomal conditions. | ![]() |
Male and female volunteers aged 5-25 with a sex chromosome variation (XXY, XYY, XXYY, XXXY, XXXXY, XXX) are needed to participate in this study. Participation involves coming to the National Institutes of Health (NIH) in Bethesda, Maryland (just outside of Washington D.C.) for a one-day visit, which will include: an interview a brief physical exam cognitive testing a blood draw for genotyping and a brain magnetic resonance imaging (MRI) scan (the MRI scan provides detailed images of the brain without the use of radiation) We also ask that the child and parents return 2 years after the first visit for a follow-up MRI. For participants who live outside of the Washington D.C. area, transportation and lodging for a 2-night stay will be provided for the child and two parents. In addition, each participant will receive a summary of test results and a souvenir photo of his brain. For more information about the NIH Klinefelter Syndrome Study, Sex Chromosome Variations Study, and Triple X Syndrome Study, contact: Jonathan Blumenthal, M.A., Project Coordinator Phone: 301-435-4516 Email: Jonathan Blumenthal NIMH Child Psychiatry Branch Building 10, Room 4C110 Bethesda, MD 20892-1367 Fax (301) 480-8898 Click here to read more |