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ADD
2013-11-13 来源: 类别: 更多范文
ADD
Attention Deficit Disorder (ADD) is a problem that affects 5% to 10% of all children ADD affects more children than any other childhood problems except asthma. It is estimated to be the largest single cause for first referrals to child guidance clinics throughout the country, making up as many as 40% of those cases. Many ADD cases are not diagnosed because the problem most often does not prevail in the doctors office. Current estimates suggest that approximately 50 to 65% of the children with ADD will have symptoms of the disorder as adolescents and adults. Although ADD has just recently been discovered and there is still relatively little known about it. In 1902, George Frederick Still first believed the dilemma of the problem child was linked to a biological defect inherited from an injury at birth and not the result of the environment. Through 1930-40's stimulant drugs were first used to successfully treat many behavior problems due in part by Still's hypothesis. In 1960, Stella Chess further boosted research in the field by writing about the "hyperactive child syndrome." She took Still's hypothesis further stating that the resulting behavior problems stem from a biological cause, although it is linked to
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