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Pervasive Developmental Disorder (PDD)
Pervasive developmental disorder (PDD) is characterized by delays in a child’s normal development, difficulties interacting and communicating, difficulties when a routine changes, and repetitive motions and behaviors. However, it is no longer a word used by physicians. Autism spectrum disorder is the new name for PDDs.in 2013 In 2013, the American Psychiatric Association categorized autism…