Definition The diagnostic category of pervasive developmental disorders (PDD) refers to a group of disorders characterized by delays in the development of socialization and communication skills. Parents may note symptoms as early as infancy, although the typical age of onset is before 3 . Jan 04, · P ervasive developmental disorders (PDDs) are comprised of the neuropsychiatric developmental disabilities, autistic disorder (autism), Asperger disorder and PDD — “not otherwise specified”. 1 These conditions are also commonly known as autism spectrum disorders. 2 The key features are severe developmental difficulties with social cognition and communication, and non Cited by: 3.
Dec 28, · You might have heard of pervasive developmental disorders (PDDs) that include delays in how a child typically develops, problems with socializing and communicating, trouble when a routine changes. Aug 24, · The definition of PADD was a troubled developmental trajectory involving serious symptoms of mental distress and dysfunction, low environmental .