Indicators of Autism Spectrum Disorders

Does not babble, point, or make meaningful gestures by 1 year of age
Does not speak one word by 16 months
Does not combine two words by 2 years
Does not respond to name
Loses language or social skills
Poor eye contact
Doesn't seem to know how to play with toys
Excessively lines up toys or other objects
Is attached to one particular toy or object
Doesn't smile
At times seems to be hearing impaired