Are ADHD and Autism on the Same Spectrum?

Attention Deficit Hyperactivity Disorder (ADHD) and Autism Spectrum Disorder (ASD) are two of the most well-known neurodevelopmental conditions, often diagnosed in childhood but affecting individuals throughout their lives. While these disorders are distinct in their diagnostic criteria, they share overlapping characteristics that have led many to wonder: “Are ADHD and autism on the same spectrum?” This question reflects both growing public interest and ongoing scientific inquiry into the relationship between these two conditions. In this article, we will explore the similarities, differences, and connections between ADHD and autism, while examining the current research and clinical perspectives on whether they exist on a shared spectrum.