الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
Autism spectrum disorders (ASD) represent a highly variable neurodevelopmental disorder that ranks among the most serious disorders of children´s mental development. So called a triad of symptom is characteristic for them, i.e. disorder of social interaction, verbal and nonverbal communication disorder and a tendency toward limited, repetitive or stereotypical behaviour pattern. The Autism spectrum disorders ´s displays cover a wide spectrum, from individuals with severe disabilities, who do not speak, have mental disability and their level of sociability is very low (low-functioning autism) up to individuals who have a standard intellect, communicate verbally and are able to have independent life (high-functioning autism).