Effects of Cognitive Training on Improving Cognitive Functions in the Elderly: A Systematic Review and Meta-Analysis Study

IF 0.5 Q4 PSYCHIATRY Iranian Journal of Psychiatry and Behavioral Sciences Pub Date : 2023-09-06 DOI:10.5812/ijpbs-83665

Zeinab Mihandoost

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Abstract

Context: A methodical review and meta-analysis of cognitive intervention studies were conducted to clarify the effect of such interventions on memory. Objectives: The present study aimed to investigate the effects of cognitive training on the improvement of cognitive function in older adults. Data Sources: The programs for improving cognitive performance, along with characteristics, among older adults were assessed by considering a literature review of previous studies. Study Selection: A total of 174 articles published between 1990 to 2017 in the area under study were selected. Each article was reviewed by two independent reviewers. Data Extraction: In this study, 15 studies and 910 subjects were selected for data analysis, and the meta-analysis was performed according to the Hedge method. Results: Based on the results, a positive effect size of 0.30 (SE = 0.07, 95% confidence interval [CI] = 0.165 - 0.436) was observed regarding the subjects’ cognitive function stemming from the interventions on individual and group cognitive-related therapies. The results were consistent, indicating that variances in effect size might be related to sampling error (Q = 88.592, df = 14, P = 0.000). Conclusions: The results confirm previous meta-analyses and methodical reviews showing that memory training plays a positive role in enhancing cognitive function.

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认知训练对改善老年人认知功能的影响:一项系统回顾和荟萃分析研究

背景：对认知干预研究进行了系统的回顾和荟萃分析，以阐明此类干预对记忆的影响。目的：本研究旨在探讨认知训练对老年人认知功能改善的影响。数据来源：通过对先前研究的文献综述，对提高老年人认知表现及其特征的计划进行了评估。研究选择：选择了1990年至2017年间在研究领域发表的174篇文章。每一篇文章都由两名独立评审员进行评审。数据提取：在本研究中，选择15项研究和910名受试者进行数据分析，并根据Hedge方法进行荟萃分析。结果：根据结果，对个体和群体认知相关疗法的干预对受试者的认知功能产生了0.30的积极影响（SE=0.07，95%置信区间[CI]=0.165-0.436）。结果一致，表明效应大小的差异可能与抽样误差有关（Q=88.592，df=14，P=0.000）。结论：该结果证实了先前的荟萃分析和系统综述，表明记忆训练在增强认知功能方面发挥着积极作用。

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来源期刊

Iranian Journal of Psychiatry and Behavioral Sciences PSYCHIATRY-

CiteScore

1.20

自引率

10.00%

发文量

期刊介绍： The Iranian Journal of Psychiatry and Behavioral Sciences (IJPBS) is an international quarterly peer-reviewed journal which is aimed at promoting communication among researchers worldwide and welcomes contributions from authors in all areas of psychiatry, psychology, and behavioral sciences. The journal publishes original contributions that have not previously been submitted for publication elsewhere. Manuscripts are received with the understanding that they are submitted solely to the IJPBS. Upon submission, they become the property of the Publisher and that the data in the manuscript have been reviewed by all authors, who agree to the analysis of the data and the conclusions reached in the manuscript. The Publisher reserves copyright and renewal on all published material and such material may not be reproduced without the written permission of the Publisher. Statements in articles are the responsibility of the authors.