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Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally inappropriate. [9] ADHD symptoms arise from executive dysfunction. [18]
Attention deficit hyperactivity disorder predominantly inattentive (ADHD-PI or ADHD-I), [3] is one of the three presentations of attention deficit hyperactivity disorder (ADHD). [4] In 1987–1994, there were no subtypes or presentations and thus it was not distinguished from hyperactive ADHD in the Diagnostic and Statistical Manual (DSM-III-R).
Predominantly hyperactive-impulsive type symptoms may include fidgeting and squirming in seats, talking nonstop, dashing around and touching or playing with anything in sight, having trouble sitting still during dinner/school/story time, being constantly in motion, and having difficulty doing quiet tasks or activities.
Adult Attention Deficit Hyperactivity Disorder is the persistence of attention deficit hyperactivity disorder (ADHD) into adulthood. It is a neurodevelopmental disorder, meaning impairing symptoms must have been present in childhood, except for when ADHD occurs after traumatic brain injury.
Many psychiatric disorders feature impulsivity, including substance-related disorders, behavioral addictions, attention deficit hyperactivity disorder, autism spectrum disorder, fetal alcohol spectrum disorders, antisocial personality disorder, borderline personality disorder, conduct disorder and some mood disorders.
This offers a parsimonious explanation for the common occurrence of impulsive, hyperactive, disorganized, and aggressive behaviour in clinical patients with executive dysfunction. A 2011 study confirms there is a lack of self-control, greater impulsivity, and greater disorganization with executive dysfunction, leading to greater amounts of ...
Hyperactivity and impulsivity ADHD symptoms include: "often fidgets with or taps hands or feet or squirms in seat," "often leaves seat in situations when remaining seated is expected," "often runs about or climbs in situations where it is inappropriate," "is often unable to play or engage in leisure activities quietly," "is often "on the go ...
Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterised by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally-inappropriate. [3] [9] [10] [11]