Autism is a condition where child lacks in social knowledge and has less social interaction.
There is abnormality in language and verbal communication. Child will speaks with inappropriate volume,pich,stress, rate,rhythm and tone.
Speech may be stereotyped,repetitive,and echolalic.
They are resistant to change,remain aloof from human contact and take obsessive interest in peculiar objects.Symptoms may begin early or as regressive symptoms of preschool child.Repetitive stereotyped movements may be performed.