Attention deficit hyperactivity disorder(ADHD)is more common in school-age children,often characterized by age-inappropriate inattention,daily excessive activities and emotional impulses,although the intelligence is normal or close to normal,but it brings more difficulties to the child's daily life and learning.In recent years,neuroimaging studies of ADHD have developed rapidly,and techniques such as quantitative magnetic susceptibility imaging(QSM),diffusion magnetic resonance(dMRI),synthetic magnetic resonance(SyMRI),arterial spin labeling(ASL),magnetic resonance spectroscopy(MRS),and resting-state magnetic resonance(rs-fMRI)can provide imaging markers for the diagnosis of ADHD disease.The purpose of this article is to review the neuroimaging studies of ADHD,to explore the underlying neuropathological mechanisms in patients with ADHD,to help clinicians make early diagnosis,timely intervention,and to determine the prognosis of children with ADHD.
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