Washington: In what could turn out to bea potential tool in the diagnosis of autism, scientists claimto have discovered that a person`s performance on autism testcan be predicted from an EEG. An international team has demonstrated that markersfor autistic tendency could be seen in an electroencephalogram(EEG) and this tendency can be predicted through physiologicalrecording of visual activation of the brain.
"Tiny electrical responses recorded from the brainsof high scoring individuals showed a delay in completion ofmagnocellular firing, suggesting that object recognition isdominated by the slower parvocellular stream. The data showeda striking ability to predict high or low AQ score. "This is particularly remarkable as the AQ scale ispurely social/behavioural in nature and studies indicate thatseveral factors are involved in the explanation for autism,"Crewther said, adding that further research is needed to findout whether these neurological markers can be recorded inchildren and infants. The findings have been published in the latest editionof the `Brain` journal. PTI
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