neuroimaging techniques for making images of the brain frontal lobe one part of the forward section of the brain, responsible for planning, abstraction, and aspects of personality etiology causation of disease, or the study of causation bipolar disorders psychiatric diseases characterized by alternating mania and depression
Neuropsychological and neuroimaging studies provide converging evidence for the hypothesis that brain dysfunction causes the symptoms of ADHD. Neuropsychological tests show many ADHD patients to have deficits in the executive functions needed for organizing, planning, sequencing, and inhibiting behaviors. These performance deficits are similar to, albeit milder than, the deficits seen among patients with frontal lobe disorders. Several structural and functional neuroimaging studies implicate networks of regions throughout the brain, not just in the frontal lobes.
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