Britannica
Sources used in this answer
How does the corpus callosum differ in some boys with attention-deficit/hyperactivity disorder?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
attention-deficit/hyperactivity disorder
Learn how the popular behavior-modifying amphetamine Adderall works.
Research utilizing neuroimaging technologies, such as functional magnetic resonance imaging (fMRI), has identified structural differences in the brains of individuals with attention-deficit/hyperactivity disorder (ADHD). Specifically, studies comparing the brains of boys with and without ADHD have observed that the corpus callosumāthe band of nerve fibers that facilitates communication between the left and right cerebral hemispheresācontains slightly less tissue in those diagnosed with the condition.12