Grobidon

Infections during pregnancy may interfere with key genes associated with autism and prenatal brain development

21 March 2017

If a mother picks up an infection during pregnancy, her immune system will kick into action to clear the infection – but this self-defence mechanism may also have a small influence how her child’s brain develops in the womb, in ways that are similar to how the brain develops in autism spectrum disorders. Now, an international team of researchers has shown why this may be the case, in a study using rodents to model infection during pregnancy.

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Lego ordered into compartments

Males and females with autism show an extreme of the typical male mind

16 July 2014

The largest ever psychological study of sex differences in adults with autism has found that both males and females with autism on average show an extreme of the typical male mind, where systemising (the drive to look for underlying rules in a system) is stronger than empathising (the ability to recognize the thoughts and feelings of others and to respond to these with appropriate emotions).

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Boy with autism

Children with autism have elevated levels of steroid hormones in the womb

03 June 2014

Children who later develop autism are exposed to elevated levels of steroid hormones (for example testosterone, progesterone and cortisol) in the womb, according to scientists from the University of Cambridge and the Statens Serum Institute in Copenhagen, Denmark. The finding may help explain why autism is more common in males than females. However, the researchers caution it should not be used to screen for the condition.

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Study confirms a gene linked to Asperger Syndrome and empathy

17 December 2013

Scientists have confirmed that variations in a particular gene play a key role in the autism spectrum condition known as Asperger Syndrome. They have also found that variations in the same gene are also linked to differences in empathy levels in the general population. 

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