本文研究了注意缺损障碍和多动儿童在基础状态和用右旋苯丙胺治疗18天后的血小板 MAO 活性。被试者为8例(6男2女)多动症儿童(按 DSM—Ⅲ诊断标准)和28例(11男,7女)正常儿童作为对照。WISC—R 智商均高于80,研究前2周停用一切药物,住入研究中心后,第二日起,二组皆给予特殊的不含单胺类的食品及饮料。至第5日晚上10时 This article studies the platelet MAO activity of attention deficit hyperactivity and hyperactive children at baseline and after 18 days of treatment with dextroamphetamine. Subjects were 8 children (6 males and 2 females) ADHD children (according to DSM-Ⅲ diagnostic criteria) and 28 cases (11 males and 7 females) normal children as a control. WISC-R IQ was higher than 80. All drugs were discontinued two weeks before the study. After entering the research center, the two groups were given special foods and beverages without monoamines on the second day. To the 5th night at 10 o’clock