A smile or a frown on the forehead can be an indicator in identifying families at high risk of autism, according to a study held by the Medical Research Council.
People with autism often find it difficult to read other people's emotions and their facial expressions were not different from autism. Now, researchers at the University of Cambridge found that the sibling with autism show the same brain patterns when looking at facial expressions.
As quoted from Yahoo, Tuesday (12/7), whose findings were published in the journal Translational Psychiatry, could help scientists identify gene linked to autism risk.
Michael Spencer, who led the research, said, "These findings provide a springboard to investigate what specific genes are associated with markers of autism. Brain response to facial emotion could be a benchmark indicating autism."
The study compared 40 families with both teen and his brother were not autistic. By comparing brain activity when viewing neutral versus happy faces, scientists can observe the brain areas that respond to emotion. Although people with autism do not have a diagnosis of autism or Asperger's syndrome, they have decreased activity in various brain areas.
In families that have at least one child with autism, autism potential for developing the next child at least 20 times higher. Unfortunately, the reason behind it can not be unknown.
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