Autistic spectrum disorder (ASD)
Autism spectrum disorder is usually based on a condition which is related to brain development which impacts how a person socialises with other people causing problems in social interaction among people and communication problems. This disorder has some limited and repetitive patterns of behaviour. The word "spectrum" in autism spectrum disorder means a wide range of symptoms and severity. Autism spectrum disorder has some conditions that were previously considered as autism,Asperger's syndrome, childhood disintegrative disorder and an unspecified form of pervasive developmental disorder.Till now some use the word "Asperger's syndrome," which is usually be at the mild end level of autism spectrum disorder. Autism spectrum disorder generally starts in early childhood and eventually causes problems which actively functioning in society like socially, or school and at work. In the first year of children, symptoms will show slowly . Actually many children appe...