What is autism?

Autism is the most common condition in a group of development disorders.It is characterized by impaired social interaction, problems with verbal and nonverbal communication.An authistic need love and patient.You must understand their situation,instead to ignore them, learn how to communicate with them.

from wikipedia : --------------- Autism is a developmental disability of the human central nervous system that specifically affects social interaction, communication, interests, imagination and activities. However, the nature of autism (its causes, symptoms, physiology and other issues) is controversial. pls see more details here : http://en.wikipedia.org/wiki/Autism