Impaired cognitive functioning and maladaptive behaviors are common in severe cases of Cornelia de Lange syndrome. The syndrome can affect learning, reasoning, language, personal care, and social skills. A person with the syndrome often also exhibits behaviors common with some types of autism, including compulsive repetition and self-injury.

This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.