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Multidimensional Assessment of Awareness in Early-Stage Dementia: A Cluster Analytic Approach

机译:早期痴呆症意识的多维评估:一种聚类分析方法

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摘要

Background/Aims: Research on awareness in dementia has yielded variable and inconsistent associations between awareness and other factors. This study examined awareness using a multidimensional approach and applied cluster analytic techniques to identify associations between the level of awareness and other variables. Methods: Participants were 101 individuals with early-stage dementia (PwD) and their carers. Explicit awareness was assessed at 3 levels: performance monitoring in relation to memory, evaluative judgement in relation to memory, everyday activities and socio-emotional functioning, and metacognitive reflection in relation to the experience and impact of the condition. Implicit awareness was assessed with an emotional Stroop task. Results: Different measures of explicit awareness scores were related only to a limited extent. Cluster analysis yielded 3 groups with differing degrees of explicit awareness. These groups showed no differences in implicit awareness. Lower explicit awareness was associated with greater age, lower MMSE scores, poorer recall and naming scores, lower anxiety and greater carer stress. Conclusion: Multidimensional assessment offers a more robust approach to classifying PwD according to level of awareness and hence to examining correlates and predictors of awareness. Copyright (C) 2011 S. Karger AG, Basel
机译:背景/目的:关于痴呆症意识的研究已经在意识和其他因素之间产生了可变且不一致的关联。这项研究使用多维方法和应用聚类分析技术来检查意识,以识别意识水平与其他变量之间的关联。方法:参与者为101例早期痴呆(PwD)患者及其护理人员。在三个级别上评估了显式意识:与记忆有关的绩效监测,与记忆有关的评估判断,日常活动和社会情感功能以及与病情和影响有关的元认知反射。内隐意识是通过情绪化的Stroop任务进行评估的。结果:显式意识分数的不同度量仅在有限程度上相关。聚类分析得出3组具有不同程度的显性意识。这些组的内隐意识没有差异。较低的显性意识与年龄较大,MMSE分数较低,回忆和命名分数较差,焦虑较低和护理压力较大有关。结论:多维评估提供了一种更强大的方法,可根据意识水平对PwD进行分类,从而检查意识的相关性和预测因子。版权所有(C)2011 S.Karger AG,巴塞尔

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