采用视觉注意分配与转移（简称T5 ）和双手选择反应时（简称T8）为指标。
Visual attention attribution and diversion (T5) and bilateral two- choice reaction time (T8) were used as the indexes.
参与锻炼人群的选择反应时要短于不锻炼的人群，差异具有非常显著性（P<0.001）。
Third, the choice reaction time of the people taking exercise is shorter than those who are lack of exercise and it showed very significant difference(P<0.001).
在应用协方差分析充分均衡了两组的血铅水平后，ALAD1- 2的选择反应时间与ALAD1- 1组十分接近。
When the blood lead level was adjusted by covariance analysis, reactive time in choice reaction test of the ALAD1-2 genotype was closed to that of ALAD1-1 homozygote.
在应用协方差分析充分均衡了两组的血铅水平后，ALAD1- 2的选择反应时间与ALAD1- 1组十分接近。
When the blood lead level was adjusted by covariance analysis, reactive time in choice reaction test of the ALAD1-2 genotype was closed to that of ALAD1-1 homozygote.
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