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- Although we know little about specific causes, the available evidence suggests that the following may put children at greater risk for developing ASD: Having a sibling with ASD Having certain genetic or chromosomal conditions, such as fragile X syndrome or tuberous sclerosis Experiencing complications at birth Being born to older parents
www.cdc.gov › autism › aboutAbout Autism Spectrum Disorder | Autism Spectrum Disorder ...
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In infant sibling studies, HR-ASD infants are compared with HR-negative infants and “low-risk” control infants with no family history of ASD or psychiatric disorders (LR-negative). Behavior assessments are conducted at regular intervals throughout infancy (eg, 6-12-24 months).
- Figure - PMC - National Center for Biotechnology Information
(A) Cortical surface area growth between 6 and 1 2 months of...
- Brain enlargement is associated with regression in preschool-age boys ...
Autism is diagnosed more frequently in males than females at...
- The neurodevelopment of autism from infancy through ...
Autism spectrum disorder (ASD) emerges during early...
- The Development of Autism Spectrum Disorders: Variability and ...
The autism spectrum is highly variable, both behaviorally...
- Figure - PMC - National Center for Biotechnology Information
- Overview
- Symptoms
- Causes
- Risk Factors
- Complications
- Prevention
Autism spectrum disorder is a condition related to brain development that impacts how a person perceives and socializes with others, causing problems in social interaction and communication. The disorder also includes limited and repetitive patterns of behavior. The term "spectrum" in autism spectrum disorder refers to the wide range of symptoms an...
Some children show signs of autism spectrum disorder in early infancy, such as reduced eye contact, lack of response to their name or indifference to caregivers. Other children may develop normally for the first few months or years of life, but then suddenly become withdrawn or aggressive or lose language skills they've already acquired. Signs usua...
Autism spectrum disorder has no single known cause. Given the complexity of the disorder, and the fact that symptoms and severity vary, there are probably many causes. Both genetics and environment may play a role. 1. Genetics.Several different genes appear to be involved in autism spectrum disorder. For some children, autism spectrum disorder can ...
The number of children diagnosed with autism spectrum disorder is rising. It's not clear whether this is due to better detection and reporting or a real increase in the number of cases, or both. Autism spectrum disorder affects children of all races and nationalities, but certain factors increase a child's risk. These may include: 1. Your child's s...
Problems with social interactions, communication and behavior can lead to: 1. Problems in school and with successful learning 2. Employment problems 3. Inability to live independently 4. Social isolation 5. Stress within the family 6. Victimization and being bullied
There's no way to prevent autism spectrum disorder, but there are treatment options. Early diagnosis and intervention is most helpful and can improve behavior, skills and language development. However, intervention is helpful at any age. Though children usually don't outgrow autism spectrum disorder symptoms, they may learn to function well.
Oct 5, 2022 · They include: having a twin or older sibling with autism. older parental age at the time of conception. brain growth disruptions in early development. preterm birth. Much of the research on...
May 14, 2024 · Many different factors have been identified that may make a child more likely to have ASD, including environmental, biologic, and genetic factors. Although we know little about specific causes, the available evidence suggests that the following may put children at greater risk for developing ASD: Having a sibling with ASD.
Oct 18, 2021 · Research points to certain risk factors that put some people at a higher risk of developing the condition than others. Risk factors include having a family member who has also been diagnosed with the condition, environmental factors like severe pollution, and being born preterm.
