Etiology of Pervasive Developmental Disorders

Introduction
The quest to define the true etiology of a PDD (Pervasive Developmental Disorder) has been a long winding road of various theories and hypotheses that mutually support and contradict each other. These disorders are so multi-facetted that even prognosis can be difficult. Deciphering all of the various planes of a PDD in addition to creating a unifying foundation for it is made even more difficult by the sporadic presence of Savantism in individuals with one of the disorders. …