Article Title: Early developmental impact of sex chromosome trisomies on attention deficit-hyperactivity disorder symptomology in young children

Authors: Kuiper, Swaab, Tartaglia, and van Rijn

Date of Publication: June 18, 2021

“Individuals with sex chromosome trisomies ([SCT], XXX, XXY, and XYY)) are at increased risk for neurodevelopmental problems, given that a significant portion of the sex chromosome genes impact brain functioning. An elevated risk for psychopathology has also been described, including attention deficit-hyperactivity disorder (ADHD). The present study aimed at identifying early markers of ADHD, providing the first investigation of ADHD symptomology in very young children with SCT.”

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