Is violence a sign of autism?

I am not talking about just hitting from one child to another, I am talking about gritting their teeth and looks as if the child will REALLY hurt the other if I don't stop it. (Like hands around neck pretty much)

By the way it's not my child.

I used to work with autistic children and I did have one boy who was about 7 and he was very aggressive when he was in situations that were unpleasant to him. He didn't tend to be like that all the time, mostly just when he was asked to do something he didn't want. Violence is not a SIGN of having autism, but children who have autism, as you may know, often do not like having the routines disrupted and things like that. The boy I worked with was a bit higher-functioning, and often it was difficult for him to communicate how he felt about a situation with his words, and I feel that he used his aggression to deal with that frustration. I don't think it's terribly uncommon for children with autism to be aggressive, but it's not a sign of autism, and not all children exhibit this.

no, autistics are rarely violent, it is however a sign of ADD

i think autistic children tend to keep to themselves. Maybe the child watches too much violent movies?

http://www.aacap.org/cs/root/facts_for_f...
Children as young as preschoolers can show violent behavior. Parents and other adults who witness the behavior may be concerned, however, they often hope that the young child will "grow out of it." Violent behavior in a child at any age always needs to be taken seriously. It should not be quickly dismissed as "just a phase they're going through!"

People with autism are rarely violent to others, unless they feel threatened or their personal space is invaded.

I feel these blanket terms such as ADD etc. can be used when no other explanation is found.

Sometimes kids are simply badly behaved because they're allowed to get away with it.

An improved diet, sufficient physical activity and mental stimulation, plus loving parent/parents who set boundaries - can make a world of difference.

It depends on what provokes it. Something like breaking routine could cause that with autism. (For example if he was busy doing that repetitive task he obsessively does and you got in the way) Generally people with autism have a lack of an emotional response.

If your child is interacting with you, I wouldn't worry. He might just have an anger problem, or is learning to deal with his emotions. Consider the cause, he might be wanting a reaction out of you or another person, or he might have picked up this behavior from another angry person. Someone with autism would never do something to get a response from someone else.

Sory ,,,I did not have answer of this... REGARDS