Autism Spectrum Disorder (ASD) is a highly complex developmental disorder of variable severity. It presents with various delays and differences in behaviors, biochemistry, communication, social interactions and interests. Individuals affected by ASD could display a wide range of abilities and disabilities in cognition and general health. ASD could affect individuals of any race, ethnic group or socio-economic status. However, boys are more likely to develop ASD than girls.
Per latest estimates, 1 in 45 children are affected by Autism Spectrum Disorder in the USA. The incidence and prevalence of ASD is rising at an alarming rate worldwide. Autism Spectrum Disorder is growing at a worrisome rate in India too, though exact statistics are not known.
Autism Spectrum Disorder is an umbrella diagnosis given for a group of symptoms that could stem from a variety of sources. Currently, Autism Spectrum Disorder is considered a psychiatric diagnosis based on DSM 5 criteria rather than an objective medical diagnosis based on core clinical imbalances resulting in abnormal behaviors. At present, the severity is assessed based on social communication impairments and restricted, repetitive patterns of behavior.