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The amygdala, cerebellum, and many other brain regions have been implicated in autism. [15]Unlike some brain disorders which have clear molecular hallmarks that can be observed in every affected individual, such as Alzheimer's disease or Parkinson's disease, autism does not have a unifying mechanism at the molecular, cellular, or systems level.
Many causes of autism, including environmental and genetic factors, have been recognized or proposed, but understanding of the theory of causation of autism is incomplete. [1] Attempts have been made to incorporate the known genetic and environmental causes into a comprehensive causative framework. [ 2 ]
The review found that CBT was moderately to highly effective at reducing anxiety in school children with autism spectrum disorder, but that effects varied depending on whether they were reported by clinicians, parents or self-reported. Treatments involving parents and one-on-one compared to group treatments were more effective. [12]
Consequently, any changes in folate levels or folate metabolism could significantly impact DNA methylation and contribute to what causes autism. This idea is what makes folate pathways a potential predictor of ASD because genetic polymorphisms of the folate pathway could have different effects on DNA methylation.
[37] [38] The WHO estimates about 1 in 100 children had autism between 2012 and 2021, as that was the average estimate in studies during that period, with a trend of increasing prevalence over time. [b] [9] [10] This increasing prevalence has contributed to the myth perpetuated by anti-vaccine activists that autism is caused by vaccines. [39]
Holly Madison recently learned that she is on the autism spectrum. “I’ve been suspicious of it for a while because my mom told me that she was always suspicious that that was a thing ...
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Autism has multiple causes. This article focuses on heritable causes. The heritability of autism is the proportion of differences in expression of autism that can be explained by genetic variation; if the heritability of a condition is high, then the condition is considered to be primarily genetic. Autism has a strong genetic basis.
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related to: helpful biology websites for students with autism symptoms and causes chart