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认知储备对有主观认知主诉的老年人随访研究中认知表现的影响。工作记忆的作用。

Effects of Cognitive Reserve on Cognitive Performance in a Follow-Up Study in Older Adults With Subjective Cognitive Complaints. The Role of Working Memory.

作者信息

Lojo-Seoane Cristina, Facal David, Guàrdia-Olmos Joan, Pereiro Arturo X, Juncos-Rabadán Onésimo

机构信息

Department of Developmental and Educational Psychology, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.

Department of Social Psychology and Quantitative Psychology, University of Barcelona, Barcelona, Spain.

出版信息

Front Aging Neurosci. 2018 Jun 26;10:189. doi: 10.3389/fnagi.2018.00189. eCollection 2018.

DOI:10.3389/fnagi.2018.00189
PMID:29997497
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6028562/
Abstract

Analyze the effects of CR on cognitive performance in adults with subjective cognitive complaints at follow-up. We analyzed the factorial structure of the three constructs defined in cognitive performance (Episodic memory, Working memory, and General cognitive performance) separately to search for evidence of the invariance of the measurement model. We then developed four structural nested models to analyze the relationship between CR and cognitive performance, measured at baseline and after approximately 18 months, in 266 participants older than 50 years with subjective cognitive complaints. The nested models revealed the following main results: direct effects of CR on all cognitive constructs at baseline and also indirect effects on the same constructs at follow-up, and indirect effects of CR on other cognitive constructs at follow-up via working memory at follow-up. The findings show that the proposed model is useful for measuring the influence of CR on cognitive performance in follow-up studies and that CR has a positive influence on cognitive performance at follow-up via working memory. CR may enhance mechanisms of information processing, favoring performance of tasks involving other cognitive constructs in older adults with subjective cognitive complaints.

摘要

分析随访时运动干预（CR）对有主观认知主诉的成年人认知表现的影响。我们分别分析了认知表现中定义的三个结构（情景记忆、工作记忆和一般认知表现）的因子结构，以寻找测量模型不变性的证据。然后，我们开发了四个结构嵌套模型，以分析在266名年龄超过50岁且有主观认知主诉的参与者中，基线时和大约18个月后测量的运动干预与认知表现之间的关系。嵌套模型显示了以下主要结果：运动干预在基线时对所有认知结构有直接影响，在随访时对相同结构也有间接影响，并且运动干预在随访时通过随访时的工作记忆对其他认知结构有间接影响。研究结果表明，所提出的模型对于在随访研究中测量运动干预对认知表现的影响是有用的，并且运动干预在随访时通过工作记忆对认知表现有积极影响。运动干预可能会增强信息处理机制，有利于有主观认知主诉的老年人执行涉及其他认知结构的任务。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/fbcd73c7f1aa/fnagi-10-00189-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/d9b7de068391/fnagi-10-00189-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/541612e93554/fnagi-10-00189-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/67988e9edaf0/fnagi-10-00189-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/a85310cad5f0/fnagi-10-00189-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/fbcd73c7f1aa/fnagi-10-00189-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/d9b7de068391/fnagi-10-00189-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/541612e93554/fnagi-10-00189-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/67988e9edaf0/fnagi-10-00189-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/a85310cad5f0/fnagi-10-00189-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/55ca/6028562/fbcd73c7f1aa/fnagi-10-00189-g005.jpg

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