What is autism?

Autis, hear the word Autis sure anyone knows, let alone all the time in this technology.
Yes..., indeed because of the rapid development of the world like a missile ready to cruise, knowledge about Autis also experienced progress. Previously, people do not even know have not heard what the word Autis, Down syndrome, Hyper-Active etc. ...
Grateful to the parents we are endowed with health, safety, and children healthy.
But what if our family is that we care about, that we are waiting-waiting presence, suddenly diagnosed as a special needs child.
Special needs does not mean Autis, but also can be Down syndrome, hyper-active, etc..
Indeed, children's special needs (Autis) showed more hyper-active, but hyper-active children have not been definitely called Autis, but surely if Autis called hyper child.
Autis children prefer their own visions with the world. There is a movement to do that repeatedly, such as spin, can not hold the object, even to chew was extremely difficult. There are also the angry without cause, to cry, and say the words that have no meaning.