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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 ...
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]
Not only is ADHD the most commonly encountered childhood-onset disorder in neurodevelopment, there is also a high comorbidity rate linking ADHD with other behavioral, emotional and learning problems and disabilities. [6] As a need to obtain a defined population sample due to a lack of funds, Wolraich developed the teacher VADRS.
Attention deficit hyperactivity disorder; Other names: Formerly: Attention deficit disorder (ADD), hyperkinetic disorder (HD) [1]: ADHD arises from maldevelopment in brain regions such as the prefrontal cortex, basal ganglia and anterior cingulate cortex, which regulate the executive functions necessary for human self-regulation.
A research proposal is a document proposing a research project, generally in the sciences or academia, and generally constitutes a request for sponsorship of that research. [1] Proposals are evaluated on the cost and potential impact of the proposed research, and on the soundness of the proposed plan for carrying it out. [2] Research proposals ...
In attention deficit hyperactivity disorder (ADHD), studies of cognitive control have not emphasized the ability to actively suppress pre-potent mental representations. [16] This indicates that people diagnosed with ADHD experience an impaired cognitive inhibition ability and find it difficult to suppress irrelevant stimuli.
Subjects' age (10-46), differences in experimental design, small sample sizes (<10 dyslexic subjects in prominent studies), and the presence, absence, or failure to assess for comorbid ADHD might explain these contradictory findings.
The Adult ADHD Self-Reporting Scale (ASRS) was created to estimate the pervasiveness of an adult with ADHD in an easy self survey. [ 4 ] The ASRS was developed in conjunction with the World Health Organization (WHO), and the Workgroup on Adult ADHD which included researchers from New York University Medical School and Harvard Medical School .