As an expanding diagnostic category, autism is problematic – but it’s not a myth. Child psychiatrist Sami Timimi and his co-editors are not reluctant to blow their own trumpets. Re-Thinking Autism: Diagnosis, Identity and Equality is heralded as ‘the first edited collection that is firmly located in the previously non-existent

Brain scans can detect autism long before any symptoms start to emerge, say scientists. The earliest that children tend to be diagnosed at present is at the age of two, although it is often later. The study, published in the journal Nature, showed the origins of autism are much earlier

This new diagnostic method requires MRI brain scans to look for the features of autism, a developmental disability with behavioral symptoms that usually become obvious between ages 2 and 4.
Further research is needed before it can be developed into a tool for diagnosing infants at high risk