Autism Spectrum Disorder: Lost In Space.

ABSTRACT

Pervasive developmental disorders (PDD) is a developmental neurological disorders. PDD consist of Autism, Asperger syndrome, Pervasive developmental disorder not otherwise specified Rett's disorder and childhood di sintegrative disorder. The incidence of the disease has been increased in past one decade when compared to earlier, which is due to increased awareness of the disease. The diagnosis of the PDD mainly by diagnostic and statistical manual of mental disorder(DSM) published by American psychiatric association. DSM V the pervasive development disorders were considered into single autism like spectrum of disorders. Autism spectrum disorder is not completely curable and hence requires lifelong management Educational and behavioral interventions are more successful when compared to medications alone. Early interventions have more positive results. The present review articles describes regarding the Pervasive developmental disorders, prevalence of autism worldwide, individual countries ,their characteristic features, diagnosis by DSM IV and DSM V, causative factors involved and management.