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Autism was found to occur more often in families of physicists, engineers and scientists. 12.5% of the fathers and 21.2% of the grandfathers (both paternal and maternal) of children with autism were engineers, compared to 5% of the fathers and 2.5% of the grandfathers of children with other syndromes. [47] Other studies have yielded similar ...
A common presentation of sleep apnea in children with autism is insomnia. [67] All known genetic syndromes which are linked to autism have a high prevalence of sleep apnea. The prevalence of sleep apnea in Down's Syndrome is 50% - 100%. [68] Sleep problems and OSA in this population have been linked to language development. [69]
A few genetic polymorphisms such as folate hydrolase 1 and hydroxymethyltransferase 1 along with hyperhomocysteinemia were used as risk factors to develop an artificial neural network (ANN). Studies showed that this model was around 63.8% accurate in predicting ASD risk, implying a moderate association between genetic polymorphisms of the ...
Approximately 8 in 10 people with autism have a mental health problem in their lifetime, in comparison to 1 in 4 of the general population. [132] [133] [134] A 2019 meta-analysis found autistic people to be four times more likely to have depression than non-autistic people, with approximately 40% of autistic adults having depression. [135]
About 10–15% of autism cases have an identifiable Mendelian (single-gene) condition, chromosome abnormality, or other genetic syndrome, [6] a category referred to as syndromic autism. Approximately 8 in 10 people with autism suffer from a mental health problem in their lifetime, in comparison to 1 in 4 of the general population that suffers ...
Thanks to greater awareness, rates of both children and adults being diagnosed with autism are increasing. For many adults, finally getting a diagnosis is a relief. Adults with autism say they ...
Proponents of the imprinted brain hypothesis argue that since it is uncertain if a woman's other and future children have and will have the same father, as well as the father generally having lower parental investment, it may be in the father's reproductive interest for his child to use more of the mother's resources than other children, while it may be in the mother's interest for a child to ...
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.