Lorie Donelle, Brad Hiebert, Jodi Hall
An investigation of mHealth and digital health literacy among new parents during COVID-19
Frontiers in digital health
attentiondeficit hyperactivity disorder adhd prevalent debilitating disorder diagnosed basis persistent developmentallyinappropriate levels overactivity inattention impulsivity etiology pathophysiology adhd incompletely understood evidence genetic basis adhd likely involve many genes small individual effect differences dimensions frontal lobes caudate nucleus cerebellar vermis demonstrated neuropsychological testing revealed number well documented differences children without adhd occur two main domains executive function motivation although neither specific adhd view recent advances neurobiology reinforcement concentrate review altered reinforcement mechanisms among motivational differences many pieces evidence indicate altered response reinforcement may play central role symptoms adhd particular sensitivity delay reinforcement appears reliable finding review neurobiological mechanisms reinforcement discuss may altered adhd particular focus neurotransmitter dopamine actions cellular systems level describe dopamine cell firing activity normally associated reinforcing events transfers earlier timepoints behavioural sequence reinforcement becomes predictable discuss failure transfer may give rise many symptoms adhd propose methylphenidate might act compensate proposed dopamine transfer deficit