![]() Prevalence of disorders of the autistic spectrum in a population cohort of children in South Thames: the Special Needs and Autism Project (SNAP). Approximately 20% to 30% of children develop epilepsy, and between 40% and 80% have intellectual disability (characterized by impaired global intelligence and subsequent impaired social functioning) note that the term "intellectual disability" as used in this topic does not refer to specific learning disorders or disabilities, such as dyslexia or dyscalculia, which may also occur in ASD. Washington, DC: American Psychiatric Publishing 2022. Diagnostic and statistical manual of mental disorders, 5th ed., text revision (DSM-5-TR). Children who meet the criteria have a diagnosis of "autism spectrum disorder", additionally qualified by level of severity. 2011 Mar 41(3):332-40.Ĭonversely, some children may develop language at a very early age and have relatively "adult-like" speech. Early developmental regression in autism spectrum disorder: evidence from an international multiplex sample. Developmental regression in autistic spectrum disorders. There may be a history of language disorder or language delay (single-word or phrase speech delay) and some children lose previously acquired language skills (regression). Chapter 6: mental, behavioural or neurodevelopmental disorders. ![]() International Classification of Diseases 11th revision (ICD-11). Abnormal development is present during early childhood, but may only become manifest later. ![]() DefinitionĪutism spectrum disorder (ASD) is characterized by persistent impairments in social communication, and restricted, repetitive, and stereotyped patterns of behaviors, interests, or activities. Many people live either in 24-hour care or with community support (approximately 20%) however, some people with ASD live independent lives (approximately 15%), and some have jobs and families. Long-term outcome in adulthood is variable. The aims of treatment are to maximize functional independence and quality of life, and to minimize distress by supporting learning, social communication, and cognitive skills, and by managing any co-occurring physical or mental health problems. Social communication impairments and ASD behaviors are present during early childhood, but may only become manifest later (e.g., due to increasing impairment).ĪSD is a genetic disorder of brain development, but nongenetic factors are also likely to contribute to the phenotype and its heterogeneity. It is associated with disabilities and everyday challenges, but may also be associated with cognitive strengths and talents.Ĭhildren and adults with ASD have social communication and interaction difficulties and show restricted, repetitive, and stereotyped patterns of behaviors, interests, or activities. Autism spectrum disorder (ASD) is a lifelong neurodevelopmental condition that is being viewed increasingly as an example of neurologic and cognitive variation among people.
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