Autism is a type of personality disorder

I think you wanted to know whether the given statement is true or false. Based on this assumption, i am answering the question. It would be false to say that Autism is a type of personality disorder. In reality, Autism is a type of neurological disorder. This kind of disorder is never psychological. I hope this has come to your help. 

Yes, this is very true. specifically causing damage in the  dentrite.