We translated the handbook of Virginia Isaac Cover for the Dutch and Vlemish population: Growing Up with Klinefelter's Syndrome (47, XXY), Trisomy X (47,XXX) and 47, XYY. It is meant for parents and caregivers of children and adolescenten with an extra X or Y chromosome, for adults with an extra X or…

TRIXY is a national Center of Expertise, in which clinical professionals and expert researchers work together to improve knowledge and clinical care for children with X and Y chromosome trisomies.

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The multidisciplinary team of researchers, clinicians and medical practitioners within TRIXY ensures that important knowledge is gathered about vulnerabilities in individuals with an extra X or Y chromosome, in the field of physical, neurocognitive, emotional and social development, and risk for learning…

This longitudinal study is focused on neurodevelopmental problems in young children with XXY, XXX and XYY, aged 1 to 6 years.

Practical information

The Leiden Institute of Education and Child Studies aims to conduct high-quality research that addresses major social issues. This inspires its BSc, MSc and PhD programmes.

The programme group Clinical Neurodevelopmental Sciences is one of the six groups within the department of Child and Education Studies at Leiden University. The group participates in all stages of the education program: the bachelor program, master program and researchmaster program.  The group is particularly…

The group Clinical Neurodevelopmental Studies has expertise in individual differences in child development, in particular the development of psychopathology, ranging from mild to severe neurodevelopmental disorders. Focus is on etiology, developmental course, diagnosis, prevention and treatment of neurodevelopmental…

The more opportunities a child has to learn and develop, the stronger his or her future position in society. Leiden University investigates how the brain picks up information, and how learning processes can be influenced positively.

Conference, Science festival