A new version of the Diagnostic and Statistical Manual of Mental Disorders released this month includes changes to the definitions of both autism and intellectual disability that experts say will ...

Intellectual disability is a disorder marked by below-average intellectual function and a lack of skills necessary for independent daily living. The condition begins in the developmental period. The ...

Over the past four decades, educators, clinicians, and researchers have become increasingly aware that there are children who have no problem with purely verbal activities, and may even be verbally ...

Borderline intellectual functioning (BIF) isn’t currently a stand-alone diagnosis. Some diagnostic guidelines use it as a descriptive code, while others include it within a broader spectrum of ...

Suggested Citation: "Appendix B: Glossary." National Academies of Sciences, Engineering, and Medicine. 2018. Opportunities for Improving Programs and Services for ...