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本研究采用本顿视觉保持测验(VRT)对23名非言语型学习障碍儿童(NLD)、23名言语型学习障碍儿童(VLD)和46名普通儿童的视觉记忆、视觉空间结构、视觉运动进行了对比研究,旨在探讨非言语型学习障碍儿童(NLD)视觉空间认知的特点。结果表明:无论是临摹图形还是延迟回忆图形,NLD儿童的正确得分均落后于VLD儿童和普通儿童,出现的错误主要是变形、位置错误和大小错误。提示NLD儿童表象存储能力较差,难以把握事物的整体特征和局部特征,控制能力差,存在精细运动协调能力的缺陷。
In this study, visual memory, visual spatial structure, visual movement of 23 non-verbal dyslexic children (NLD), 23 verbal dyslexia children (VLD) and 46 normal children were studied using the Bent Vision Retention Test (VRT) A comparative study was conducted to investigate the characteristics of visual spatial cognition in children with nonverbal learning disabilities (NLD). The result shows that the correct scores of NLD children lag behind that of VLD children and ordinary children, no matter the copy graphics or delayed recall graphics. The main errors are the deformation, the position error and the size error. It is suggested that children with NLD have poor storage ability, difficult to grasp the overall characteristics and local characteristics of things, poor control ability and the ability to fine motor coordination.