Methods: Adapting tachistoscopic vision and Benton Revised Visual Retention Test (VRT), three groups involving 20 children each were studied.

• 方法 :选取正常儿童和言语型学习障碍(VLD)、NLD儿童各 2 0名 ,进行速示下记忆实验和本顿视觉保持测验 (VRT)测试。