Abnormal spontaneous brain activity in medication-naïve ADHD children: A resting state fMRI study

► Medication-naïve ADHD boys show hypofunction at resting state in left SFG and SMC. ► ADHD boys show hyperfunction at rest in the cingulate and right MFC. ► Peak ALFF significantly correlated with WSCT measures in a subset of ADHD boys.