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对秦巴山区６～１４ 岁轻度弱智及边缘型儿童对颜色、形状认知能力的研究结果表明：①弱智及边缘型儿童对颜色、形状配对能力与正常对照组之间没有差异，正确率均达到１００％ ；②弱智儿童对颜色、形状命名能力与正常对照组之间差异极显著（ Ｐ＜ ０．０１）；边缘型儿童对颜色命名能力与正常对照组之间差异显著（Ｐ＜ ０．０５），形状命名能力差异不显著（Ｐ＞ ０．０５）；③随着年龄的增长，轻度弱智儿童命名能力与正常儿童的差别逐渐减小。由此认为，秦巴山区轻度弱智儿童、边缘型儿童的颜色视觉、形状视觉的辨别能力正常，但对颜色、形状的抽象概括能力和语词认知能力存在缺陷
The results of the research on color and shape cognitive abilities of mild mentally retarded and marginal children aged 6 ~ 14 years in Qinba Mountain showed that: ① There was no difference between the mentally handicapped and the marginal children in matching color and shape with the normal control group, and the correct rate (P <0.01). There was significant difference between colorimetric naming ability and normal control group (P <0.01). There was significant difference between colorimetric naming ability and normal control group .05), and there was no significant difference in shape naming ability (P> 0.05). ③ With the increase of age, the difference between naming ability of mild mentally handicapped children and normal children gradually decreased. Therefore, it is considered that children with mild mental handicap and edge children in Qinba Mountains are normal in color vision and shape vision, but their abilities of abstract abilities of color and shape and their cognitive ability of words are deficient