Autistic or autism spectrum disorder is a disease that is considered to be caused by abnormalities in brain growth, resulting in a disorder of language and communicative development including interaction with people. Accordingly, the children usually have limited or repetitive behavior also interests which those are hard to change. Some people may have repetitive movements, such as hand movements, also include that they may have an extremely or least sensitive to some stimulants.

   Symptoms

1. Silent
2. Avoid eye-contact
3. No responding to their name-calling.
4. Do not follow orders
5. No gestures or sound of crying.
6. Speak with unknown words.
7. Avoid greeting or greeting inappropriately. 
8. Being unable to point their fingers while they need something.
9. Keep doing something repeatedly
10.  Love to repeat an activity such as having the same order of meal or using one object repeatedly.
11. Being uninterested when friends invite them to play something.
12. Being obessive.
13. Responds intensively to some sounds or touching.
14. Being introvert.
15. Ignore anyone, but some may be so addicted to a specific person.

 Indication of disorder behaviors  

1. Silent, no gesture for communication at the age of 12 months.
2. Unable to say meaningful words at the age of 16 months.
3.  Unable to say 2 significant syllables at the age of 24 months.
4. There is a regression of language or social development in all age ranges.

    To assess if a child has an autistic is when you observe from their social interaction and communication. Keep in mind that how fast the strangeness of child behavior is found, how success of treatment can possibly be. And that can help improving their social skills in order to live in a society with friends and family happily according to their ages.