Information in this section pertains to all global PEN® partners except where country flags are
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Disease Etiology
Autistic Spectrum Disorder
The term autism is used to refer specifically to autistic disorder and used generally to refer to all autistic spectrum disorders (ASDs) (1). The term spectrum refers to a continuum, of severity or of developmental impairment. Children and adults with ASDs may have particular communication and social characteristics in common, but the conditions cover a wide spectrum with individual differences in the number and kinds of symptoms, severity of