The Autism diagnostic guidelines have been established by The American Association of Childhood and Adolescent Psychiatry (AACAP). Doctors use the guidelines to assess behaviors that are associated with various conditions in the autism spectrum. The guidelines are designed for children who are age three years and older.
If a child experiences seizures or shows symptoms of developmental regression an EEG test is warranted.
ADOS is one of the most recognized diagnostic tools in autism. It involves a sequence of play activities and tasks administered to the child, usually with the parents present.
Constipation and inflammation of the intestines are among the common bowel diseases that are comorbid with autism disorders.