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Physiological Basis of Attention Deficit Hyperactivity Disorder

Keywords: Attention Deficit Hyperactivity Disorder , Etiology

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Abstract:

Attention-deficit hyperactivity disorder (ADHD) is a childhood psychiatric disorder characterized by inattention, impulsivity, and overactivity. The findings obtained from studies in the fields of neuropsychology, neuroimaging and neurophysiology have supported that ADHD patients have abnormalities of brain structure and function. The aim of this article is to examine the underlying neuroanatomic and neurophysiological characteristics of ADHD. This review provide an evidence-based overview of ADHD, including in dysregulation of frontal-subcortical-cerebellar dopaminergic circuits with structural brain abnormalities. [Archives Medical Review Journal 2010; 19(1.000): 1-11]

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