Is ADHD a type of autism?

ADHD is not a type of autism; the two are distinct neurodevelopmental disorders with differences in core symptoms, underlying mechanisms, and intervention approaches. However, some individuals may exhibit features of both conditions. The specific analysis is as follows:

The core symptoms of ADHD primarily involve inattention, hyperactivity, and impulsivity, such as difficulty sustaining attention on tasks, restlessness, and frequently interrupting others. Individuals with ADHD typically do not have inherent deficits in social motivation, although attention problems may impair the quality of their social interactions. In contrast, autism spectrum disorder (ASD) is characterized by persistent deficits in social communication and interaction, restricted interests, and repetitive, stereotyped behaviors—such as lack of eye contact, difficulty understanding others' emotions, and insistence on rigid routines.

The underlying mechanisms also differ between the two conditions. ADHD is associated with imbalances in neurotransmitters such as dopamine and norepinephrine, whereas autism involves multiple factors including abnormal brain development and strong genetic components. Furthermore, they are classified under different diagnostic categories in medical criteria.

In daily life, if significant behavioral abnormalities are observed in a child, timely professional evaluation is essential. Based on an accurate diagnosis, individualized intervention plans should be developed, incorporating behavioral therapy and supportive guidance to promote healthy development in children.