学习障碍儿童视觉保持实验测试分析

A Analysis on VRT Score in Children of Learning Disability.

目的 了解学习障碍儿童视觉保持特征。 方法 对某小学校的学习障碍(LD) 儿童进行了筛查,并对筛出的LD 儿童和配对的正常儿童进行视觉保持实验( VRT) 测试,并对比分析数据。 结果 ①学习障碍发生率界于4 .35 % ～14 .28 % 之间,以四、五年级为高发,男女发病率比为2 .6∶1 。②LD 组总体VRT 成绩显著低于对照组( P< 0 .05) 。 结论 LD 儿童存在短时记忆障碍。

Objective To investigate the characteristic of the LD children. Methods To find out the LD children in the whole school, do the VRT test on the LD team and paired control team, then analysis the data of the VRT score. Results ①The finding rate of the LD children was 4.35% to 14.28%. There were high risk in 4 and/or 5 grade children. The comparison of the boys and girls was 2.6∶1.②The VRT score of the LD team was obviously lower than the control team( P <0.05). Conclusions This indicated that something disadvantage in the instant memory and structure of vision.