It is thought that one in every hundred children is born with autism. The first signs are behavioural(行為) problems between the first and second birthdays, but scientists think they may be able to spot(阻止,停止) the disorder(毛病,障礙) even sooner.
Older children with autism can show a lack of eye contact. So researchers showed six-to-ten month-old babies images of faces looking either towards or away from the baby while brain activity was being recorded.
In those that did not go on to develop autism there was a large difference in the brainwaves when looking at each image. However, infants who did develop autism showed little difference in brain activity.
Doctors say they hope that if they can diagnose the condition(狀態) earlier, they'll be able to begin specialist education and training programmes sooner and alleviate(減輕) some of the symptoms.
this report is from bbc learning english
http://www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2012/01/120130_witn_autism_story.shtml
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