Temporal processing impairment in children with attention-deficit-hyperactivity disorder

► To investigate the temporal processing performance of Chinese children with ADHD by using time production, time reproduction paradigm and duration discrimination tasks. ► The findings showed that the probands with family history of ADHD performed significantly worse than those without family history in the time production tasks and the time reproduction task. ► The current findings suggest that provides further support for the existence of a generic temporal processing impairment in ADHD children and suggests that the time processing and ADHD share some common genetic factors.