Symptoms ? I cannot initiate communication ? I fail to respond actively ? I don’t use language properly ? I cannot share my interests ? I cannot properly engage in social games ? I fail to share emotions with others such as a smile/praise ? I fail to use eye contacts ? My body postures are unusual ? My speech has unusual volume, tone and pitch ? I fail to use proper facial expressions ? I cannot coordinate my verbal and non-verbal behaviors ? I fail to notice others emotions such as distress/disinterest ? I fail to cooperate with others ? I am not aware of the social environment ? I am usually withdrawn ? I repeat whatever other speak ? I repeat movements such as clapping and teeth grinding ? I have unusual routines ? I don’t understand humor ? I can tolerate any amount of pain ? I may poke my own eyes or lick objects