Attention Deficit Hyperactivity Disorder Is One of the Most Common Childhood Disorders

Attention deficit hyperactivity disorder is one of the most greens childhood disorders that can continue through adolescence and adulthood. According to Jaksa 4- 6% of the U. S. population has attention deficit disorder that is about 8 to 9 trillion adults (1998) ADHD symptoms include trouble staying focused and paying attention, difficulty controlling behavior, hyperactivity. ADHD has three sub types hyperactive-impulsive, predominantly indifferent and combined hyperactive-impulsive and inattentive. Most children have the combined type of ADHD (National Institute of Mental Health (NIMH), 2009). In order to bump into diagnostic criteria for ADHD the symptoms of distractibility, impulsivity and hyperactivity must be excessive, long full term and pervasive. The behaviors must appear before the age of 7, and continue for at to the lowest degree 6 months. The important consideration is the behaviors must wee-wee a real handicap in at least two argonas of a persons life for example, school, home, get or social settings. The exact cause of ADHD system undetermined but some theories include genetic and communicable factors, neurobiological conditions and pathologies, prenatal influences, nutritional factors and deficiencies and environmental/toxin influences(Mehl-Madrona).

Some neurobiological theories are the frontal lobe lesions, anterior and medial to the pre-central motor cortex are considered the most likely neuroanatomic source of ADHD. Cerebral dividing line flow studies have found hypoperfusion in the frontal lobe and diminish blood flow to the caudate nucleus. PET scans of parents of ADHD children who as well have symptoms of ADHD have shown decreased glucose metabolism in the left frontal and parietal regions the data also showed a decrease level of GABA, a neuro inhibitor, (Mehl-Madrona, 2008) A study showed altered levels of neurotransmitters in the frontal region of the brain, it was found that children with ADHD had a two and a half increased level of glutamate , an stimulative brain chemical that can be... If you want to get a full essay, order it on our website: Ordercustompaper.com

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