Ask a Psychiatrist and Get Answers to Mental Health Questions ASAP
Pervasive Developmental Disorder - Not Otherwise Specified, or PDD-NOS, for short, is considered as autism as it demonstrates some but not all, of the symptoms associated with classic autism.
Read this very good resource for the further explaining the differences of classical autism and PDD-NOS;
Please fee free for your follow up questions.
Your already tried info appeared later. I would opt out and refer your question to another expert in our team.