Autism spectrum disorders (ASD) is a broad group of development disorders, which is united by the presence of qualitative disorders of social interaction, communication, as well as the repeated stereotypical nature of behavior and interests. Symptoms should be visible until the child reaches the age of three years. Autism is a clinical diagnosis, i.e. it is made only Based on observation of a child's behavior. The spectrum of autism is very wide. Before you may be a child with severe intellectual disability or, conversely, with high cognitive abilities, up to lightness. There may be a severe delay in the speech development, or, conversely, speech will not be age-appropriate and rich. These cases of social interaction and communication disorders are combined. And the causes and pathogenic mechanisms can be different. Thus, for example, more than 200 genes are known, changes in which are associated with the development of autism. Obsessive-compulsive disorder! The forecast of develop