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Large, high quality research has found small differences in the brain between ADHD and non-ADHD patients. [1] [15] Jonathan Leo and David Cohen, critics who reject the characterization of ADHD as a disorder, contended in 2003 and 2004 that the controls for stimulant medication usage were inadequate in some lobar volumetric studies, which makes it impossible to determine whether ADHD itself or ...
A meta-analysis of the global prevalence of ADHD in adults, published in 2021, estimated a collective prevalence of persistent adult ADHD of 2.58% globally in 2020. [4] Persistent adult ADHD is defined as meeting diagnostic criteria for ADHD in adulthood with the additional requirement of a confirmed childhood diagnosis. [4]
People with classic ADHD are more likely to be rejected in these situations because of their social intrusiveness or aggressive behavior. Compared to children with CDS, they are also much more likely to show antisocial behaviours like substance abuse , oppositional-defiant disorder or conduct disorder (frequent lying, stealing, fighting etc ...
In both children and adults with ADHD, an underlying executive dysfunction involving the prefrontal regions and other interconnected subcortical structures has been found. [54] As a result, people with ADHD commonly perform more poorly than matched controls on interference control, mental flexibility and verbal fluency.
Hyperactivity has long been part of the human condition, although hyperactive behaviour has not always been seen as problematic. [1] [page needed]The terminology used to describe the symptoms of attention deficit hyperactivity disorder, or ADHD, has gone through many changes over history, including "minimal brain damage", "minimal brain dysfunction", "learning/behavioral disabilities" and ...
Externalizing disorders, however, are also manifested in adulthood. For example, alcohol- and substance-related disorders and antisocial personality disorder are adult externalizing disorders. [1] Externalizing psychopathology is associated with antisocial behavior, which is different from and often confused for asociality.
ADHD is a neurodevelopmental disorder that can present itself in adolescence and adulthood. Adults with ADHD may experience difficulties in relation to cognitive, academic, occupational, social and economic situations. [2] Several types of ADHD can present in Adults including inattentive ADHD, Hyperactivity, Impulsive ADHD, and Combined type.
Some ADHD symptoms in adults differ from those seen in children. While children with ADHD may climb and run about excessively, adults may experience an inability to relax, or may talk excessively in social situations. [57]: 6 Adults with ADHD may start relationships impulsively, display sensation-seeking behaviour, and be short-tempered.