Charan S. H. (2012). Childhood disintegrative disorder. Journal of pediatric neurosciences, 7(1), 55–57. https://doi.org/10.4103/1817-1745.97627

University of Rochester

Also called Heller’s syndrome or disintegrative psychosis, it refers to a rare condition of late developmental onsets in language, social function, and motor skills (over three years old). First described by Austrian educator Thomas Heller in 1908. Since the DSM-5, it has been bundled into the pervasive developmental disorders category. Often, diagnosis comes about when a child starts to lose previously acquired skills, such as potty training. For diagnosis, an individual must show loss or regression in at least two of the following areas, following normal development: receptive and expressive language skills, social skills, play with peers, motor skills, and bowel/bladder control that previously was maintained. 

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