What is it?

A brain based developmental disability characterized by impaired social interactions and impaired verbal communication and by restricted and repetitive behaviour patterns. Symptoms usually begin before age 3.


Unknown, it is suspected that there might be a combination of genetic vulnerability as well as environmental factors


Dec 2009-CDC-reports 1 in 110 births – varied due to many factors including differences in classification etc.

Common Signs

  • Lack of or delay in verbal and non verbal communication.
  • Repetitive use of language and / or motor mannerism (hand flapping, twirling objects, spinning).
  • Little or no eye contact.
  • Lack of interest in peer relationships.
  • Lack of spontaneous play of make-believe play.
  • Persistent fixation on certain parts of objects.

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