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Understanding Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS)

Understanding Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS). Module 1 Lesson 4. Overview. This will be a very short lesson because the differences between autism and PDD-NOS are minimal These differences will be discussed in the next few slides. The Term PDD-NOS.

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Understanding Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS)

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  1. Understanding Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS) Module 1 Lesson 4

  2. Overview • This will be a very short lesson because the differences between autism and PDD-NOS are minimal • These differences will be discussed in the next few slides

  3. The Term PDD-NOS • You may hear parents say, “My child doesn’t have autism, he has PDD.” • What the parent means is, “My child doesn’t have autism, he has PDD-NOS.” • Autism and Asperger Syndrome are pervasive developmental disorders (PDDs) • PDD-NOS basically means that the child has some autistic-like characteristics but not enough to meet the criteria of autism or Asperger syndrome

  4. The Term PDD-NOS(Volkmar, 2005) • Children with PDD-NOS do not meet the diagnostic criteria for autism but have significant impairments in reciprocal social interactions • These children do not fit under other diagnoses such as speech language impairment, ADHD, mental retardation, or social pragmatic disorder because of the significance of the impairment in social reciprocity • Children with PDD-NOS may also have impairments in communication and stereotyped behaviors/restricted interests, but they do not have to have impairments in all three areas to receive a diagnosis of PDD-NOS

  5. Controversy with PDD-NOS • There is some controversy that PDD-NOS should simply be considered mild autism, but because these children do not necessary have impairments across all three areas (social interaction, communication, restricted interests/stereotyped behaviors) a mild autism label is not appropriate • A more specific diagnostic criteria for PDD-NOS is needed. The current DSM-IV-TR (2000)description of PDD-NOS simply states deficits in reciprocal social interactions or communication or stereotyped behaviors/restricted interests and excludes other PDDs.

  6. Treatment for PDD-NOS • For the most part, students with PDD-NOS will require similar intervention approaches as students with autism and Asperger Syndrome. • The remaining modules will present suggestions for interventions for ASDs as a whole.

  7. Module 1 Lesson 4 Activity • Create a table that shows the differences among autism, PDD-NOS, and Asperger syndrome.

  8. References • American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed., text rev.). Washington, DC: Author. • American Psychiatric Association. (2000). Diagnostic and statistical manual of mental disorders (4th ed., text rev.). Washington, DC: Author.

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