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The behavioral response to stimulants in children is similar regardless of whether they have ADHD or not. [39] Stimulant medication is an effective treatment [40] for adult attention-deficit hyperactivity disorder [41] [42] although the response rate may be lower for adults than children. [43]
Around 15% of children with ADHD continue to meet full DSM-IV-TR criteria at 25 years of age, and 50% still experience some symptoms. [57]: 2 As of 2010, most adults remain untreated. [226] Many adults with ADHD without diagnosis and treatment have a disorganised life, and some use non-prescribed drugs or alcohol as a coping mechanism. [227]
The hypothesis notes that humans spent most of their evolutionary history in hunter-gatherer societies, and it argues that ADHD represents a lack of adaptation to farming societies. Hartmann first developed the idea as a mental model after his own son was diagnosed with ADHD, stating, "It's not hard science, and was never intended to be." [1]
Conversely, ADHD may more adversely affect productivity which represents the amount of work done in a particular time interval. Children with CDS seem to have more difficulty with consistently remembering things that were previously learned and make more mistakes on memory retrieval tests than do children with ADHD.
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).
The Vanderbilt ADHD Diagnostic Rating Scale (VADRS) is a psychological assessment tool for attention deficit hyperactivity disorder (ADHD) symptoms and their effects on behavior and academic performance in children ages 6–12.
Due to the age-dependent decrease in symptoms of ADHD, the prevalence among adults is lower than that in children. [6] 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]
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 ...