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 ...

Whether we are writing an email, rushing for a bus, or humming a tune, every thought, feeling, and action relies on communication between our roughly 100 billion nerve cells. This exchange of ...

Pervasive developmental disorders (PDD) — now known as autism spectrum disorder (ASD) — refers to a group of conditions that affect average development. It may appear as a delay in development of ...

Part 1 of this post summarized three diagnoses: Intellectual Disability (ID), Autism spectrum disorder (ASD), and Global developmental delay (GDD). Here, we discuss some of the similarities and ...

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 ...