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Structural MRI studies have also revealed differences in white matter, with marked differences in inter-hemispheric asymmetry between ADHD and typically developing youths. [192] Functional MRI (fMRI) studies have revealed a number of differences between ADHD and control brains. Mirroring what is known from structural findings, fMRI studies have ...
Both the ADHD-C and ADHD-PI groups were found to perform more poorly than the control group on measures of inhibition, however, there was no difference found between the two groups. Furthermore, the ADHD-C and ADHD-PI presenting did not differ on measures of sustained attention." [31]
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]
Wellbutrin vs Adderall: Differences and Similarities. ... ADHD affected over 360 million adults globally. If you’re one of the many people who has been diagnosed with one of these conditions ...
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 ...
Children and adolescents with ADD or ADHD may display different types of externalizing behavior and should be either medicated or going through behavioral treatment for their diagnosis. [13] Adolescents with severe ADHD would likely benefit most from both medication and behavioral treatment.
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
This hypothesis gained greater support following a 2015 neuroimaging study comparing ADHD inattentive symptoms and CDS symptoms in adolescents: It found that CDS was associated with a decreased activity in the left superior parietal lobule (SPL), whereas inattentive symptoms were associated with other differences in activation. [39]