非痴呆老年人认知功能的差异性:从成功老化到轻度认知损伤
Zhonghua nei ke za zhi(2002)
Abstract
目的对非痴呆的自诉记忆力减退的老年人,就其总体认知水平而言可能存在相对同源的不同亚型进行初步探讨.方法对34例调查者进行临床记忆量表等17种神经心理测验,将结果进行Q型聚类分析.结果 15例调查者被诊断为轻度认知损伤,占44%;聚类分析产生6类新样本.结论在正常老化与早期阿尔茨海默病这一过渡期内,老年人的认知状态是不均质的,其中既有成功老化,也有一般老化,尤其是还存在着具有痴呆发病危险性的认知损伤.
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Key words
mild cognitive impairment,cognitive impairment,cognitive variations,successful aging,non-dementia
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