Attention-deficit hyperactivity disorder (ADHD) is a multifactor neurobehavioral disorder characterized by persistent and excessive symptoms of inattention, hyperactivity and impulsivity in children and in adults. Disrupted network connectivity is impaired in ADHD. We explored the hypothesis of hemispheric connectivity asymmetry in adults ADHD compared to controls on a premise that it would reflect the asymmetry previously shown in genetic processes. Moreover, we studied the correlation between the connectivity asymmetry and impulsiveness scale in ADHD group...