【摘要】 采用１：１配对，对高锰污水灌溉区和对照区９２对１１～１３岁小学生的神经行为进行测试。结果显示，１９９０～１９９２年污灌区和对照区饮水中锰含量分别为０．２４１～０．３４６ｍｇ／Ｌ和０．０３０～０．０４０ｍｇ／Ｌ，两地差异具有非常显著性（Ｐ＜０．０１）。污灌区儿童发锰含量１．２５２μｇ／ｇ，明显高于对照区儿童发锰含量０．９６１μｇ／ｇ（Ｐ＜０．０１）。神经行为指标中，数字广度、圣他·安娜手工敏捷度、数字符号、本顿视觉保留测验及目标追踪正确点数和总点数得分均明显低于对照区儿童（Ｐ＜０．０１），且发锰与上述多数指标呈负相关，提示饮水中锰含量升高可能是污灌区儿童神经行为改变的重要原因。更多还原

【Abstract】 he neurobehavioral status was tested for 92 matched- pair pupils aged 11-13 in an area with high- level- manganese sewage irrigation and a control area.Results showed there was significant differ-ence in manganese contents of drinking water between the area with sewage irrigation and the control area during 1990-1992,ranged 0.241-0. 346 mg/L and 0.030- 0.40 mg / L, respectively, with P<0.01. Hair manganese content of children in the area with sewage irrigation(1.252μg/g)was significantly higher than that in the control area(0.961μg/g)with P<0.01.Scores in digit span,Santa Ana manual dexterity, digit symbol, Benton visual retention test and pursuit aiming test for children in the area with sewage irrigation were significantly lower than those in the control area(P<0.01). Hair manganese con- tents of the children in the area with sewage irrigation correlated negatively with most of those scores.It suggested high level of manganese in drinking water of the area with sewage irrigation might be an important factor affecting children’s neurobehavioral changes.更多还原