Ryan is 4 years old. he does not like to make eye contact, does not engage in reciprocal games with his parents or other children, and does not express awareness of others' points of view. his deficits, which have been diagnosed as autism spectrum disorder, may be due to

Autism spectrum disorder or as known ASD refers to a group of disorders relating development in a child. The symptoms include social barriers as in the above stated case Ryan feels it difficult to make eye contact or socialize with others.

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