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Pervasive Developmental Disorder

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Pervasive Developmental Disorder (PDD) is a group of five disorders characterized by delays in the development of multiple basic functions, including socialization and communication under the ICD-10. The word "pervasive" is used to distinguish this group from "specific developmental disorders", which affect only one function.

According to the Center for Children, "All types of PDD are neurological disorders that are usually evident by age 3. In general, children who have a type of PDD have difficulty in talking, playing with other children, and relating to others, including their family ... the definition set forth in the DSM-IV (American Psychiatric Association, 1994), Pervasive Developmental Disorders are characterized by severe and pervasive impairment in several areas of development - social interaction skills; communication skills; or the presence of stereotyped behavior, interests, and activities."[1]

PDD disorders

The five disorders under PDD are:

This classification was rendered obsolete by the DSM-5.

References

  1. Definition of PDD
  2. Diagnostic Criteria for Autistic Disorder Indiana Resource Center for Autism, Indiana Institute on Disability and Community, Indiana University. Retrieved Feb. 27, 2007

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