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  1. Pervasive Developmental Disorder (PDD) - Cleveland Clinic

    Jan 9, 2024 · Pervasive developmental disorders (PDD) — now known as autism spectrum disorder — are a group of developmental delays that affect social and communication skills.

  2. Pervasive developmental disorder - Wikipedia

    The diagnostic category pervasive developmental disorders (PDD), as opposed to specific developmental disorders (SDD), was a group of disorders characterized by delays in the …

  3. What are Pervasive Developmental Disorders? - WebMD

    Mar 2, 2025 · Pervasive Developmental Disorders (PDDs) are now referred to as Autism Spectrum Disorder (ASD). Learn what this means and how it affects individuals

  4. Pervasive Developmental Disorder - Not Otherwise Specified

    Some developmental health professionals refer to PDD-NOS as “subthreshold autism." In other words, it’s the diagnosis they use for someone who has some but not all characteristics of …

  5. Pervasive developmental disorder: Definition and signs

    Oct 17, 2022 · What is pervasive developmental disorder? Pervasive developmental disorders (PDD) — now known as autism spectrum disorder (ASD) — refers to a group of conditions …

  6. What Is Pervasive Developmental Disorder - Intellistars

    Nov 12, 2025 · Pervasive Developmental Disorder (PDD) refers to a group of developmental conditions characterized by challenges in social interaction, communication, and repetitive …

  7. What are Pervasive Developmental Disorders? – Autism …

    What are Pervasive Developmental Disorders / PDD / PDD-NOS? The diagnostic category of pervasive developmental disorders (PDD) refers to a group of disorders characterized by …

  8. Pervasive Developmental Disorders - Causes, Symptoms, …

    Apr 25, 2025 · This article aims to provide a comprehensive overview of Pervasive Developmental Disorders, including their definition, causes, symptoms, diagnosis, treatment options, and more.

  9. Understanding Pervasive Developmental Disorder: A Spectrum …

    Pervasive developmental disorder (PDD) is a term used to describe a group of neurodevelopmental conditions that mainly impact social interaction, communication skills, and …

  10. Pervasive Developmental Disorder: Diagnosis and Support

    Aug 15, 2025 · PDDs are a group of conditions characterized by delays in the development of socialization and communication skills. Think of it as a unique way of experiencing and …