Childhood disintegrative disorder is a condition in which children develop normally through age 3 or 4. Then, over a few months, they lose language, motor, social, and other skills that they already learned.
Childhood disintegrative disorder is a part of the larger developmental disorder category of autism spectrum disorder.
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References
American Psychiatric Association website. Intellectual disability. www.psychiatry.org/patients-families/intellectual-disability/what-is-intellectual-disability. Updated July 2017. Accessed June 16, 2021.
Marcdante KJ, Kliegman RM. Autism spectrum disorder and schizophrenia spectrum disorders. In: Marcdante KJ, Kliegman RM, eds. Nelson Essentials of Pediatrics. 8th ed. Philadelphia, PA: Elsevier; 2019:chap 20.
Review Date 4/14/2021
Updated by: Charles I. Schwartz MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
