scholarly journals Meta-Analysis on Cognitive Benefit of Exercise after Stroke

Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Bo Yang ◽  
Shuming Wang
Keyword(s):  
Working Memory ◽  
Executive Function ◽  
Exercise Intervention ◽  
Combined Therapy ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Treatment Protocols ◽  
Cognitive Domains ◽  
Chi Squared ◽  
Cognitive Benefit

ObjectiveThe objective of this paper is to evaluate the cognitive benefit of exercise after stroke, so as to provide more accurate and reliable guidance for targeted exercise intervention. Methods. Randomized controlled trials of the relationship between exercise and cognition after stroke were identified in Cochrane Library and PubMed. Methodological quality was assessed using the Cochrane tool of bias. SMD and 95% confidence intervals were calculated, and Chi-squared test (Q) was adopted to estimate the heterogeneity. Results. (a) Twenty-three studies met inclusion criteria, including 1528 participants. Heterogeneity was from low to high such as attention (I2 = 0.00%), executive function (I2 = 0.00%), cognition (I2 = 64%), and working memory (I2 = 77%). (b) The overall effect on cognition was small (SMD = 0.16 [0.04, 0.28]) but significant and there is a difference between cognitive domains in attention (SMD = −0.35 [−0.57, −0.14]), executive function (SMD = −0.24 [−0.40, −0.08]), and working memory (SMD = 0.36 [0.20, 0.53]). (c) Exercise training was less effective before the 18th month after stroke. Higher benefits on cognition were found after combined therapy compared with other exercise programs, and the older the stroke survivors, the less the cognitive benefit of exercise. Conclusion. Small-to-moderate effect of exercise on cognitive benefit after stroke was found, and the effect was moderated by treatment protocols and sample characteristics.

Meta-analysis: Resistance Training Improves Cognition in Mild Cognitive Impairment

2020 ◽  
Vol 41 (12) ◽  
pp. 815-823
Author(s):  
Lulu Zhang ◽  
Bin Li ◽  
Jingjing Yang ◽  
Fengling Wang ◽  
Qianyun Tang ◽  
...  
Keyword(s):  
Working Memory ◽  
Cognitive Impairment ◽  
Executive Function ◽  
Mild Cognitive Impairment ◽  
Cognitive Function ◽  
Resistance Training ◽  
Meta Analysis ◽  
Mean Difference ◽  
Cochrane Library ◽  
Standardized Mean Difference

AbstractThis study investigated the benefits of resistance training on cognition in patients with mild cognitive impairment. We searched the PubMed, Embase and Cochrane Library databases, and seven randomized controlled trials were reviewed. We evaluated the risk of bias using the Cochrane Collaboration’s bias assessment tool. Standard mean differences with 95% confidence intervals were calculated for statistical analysis. This meta-analysis assessed three variables: general cognitive function, executive function and working memory. The results indicate that general cognitive function improved significantly (standardized mean difference: 0.53, P=0.04), and further subgroup analyses on frequency and duration per session showed that the subgroups ‘twice a week’ (P=0.01) and ‘duration per session >60 min’ (P=0.0006) exhibited better performance than the subgroups ‘three time a week’ (P=0.47) and ‘duration per session <60 min’ (P=0.53). Additionally, a moderate effect size was found in executive function (standardized mean difference: 0.50, P=0.0003), and there was non-significant effect in working memory (P=0.14). In summary, resistance training may mitigate mild cognitive impairment by improving cognition. Larger-scale studies are recommended to demonstrate the relationship between resistance training and cognition in mild cognitive impairment.

scholarly journals Physical Activity for Executive Function and Activities of Daily Living in AD Patients: A Systematic Review and Meta-Analysis

2020 ◽  
Vol 11 ◽  
Author(s):  
Lin Zhu ◽  
Long Li ◽  
Lin Wang ◽  
Xiaohu Jin ◽  
Huajiang Zhang
Keyword(s):  
Physical Activity ◽  
Working Memory ◽  
Executive Function ◽  
Activities Of Daily Living ◽  
Cognitive Flexibility ◽  
Dual Task ◽  
Daily Living ◽  
Meta Analysis ◽  
Moderate Intensity ◽  
Cochrane Library

Objectives: The present study aimed to systematically analyze the effects of physical activity on executive function, working memory, cognitive flexibility, and activities of daily living (ADLs) in Alzheimer's disease (AD) patients and to provide a scientific evidence-based exercise prescription.Methods: Both Chinese and English databases (PubMed, Web of Science, the Cochrane Library, EMBASE, VIP Database for Chinese Technical Periodicals, China National Knowledge Infrastructure, and Wanfang) were used as sources of data to search for randomized controlled trials (RCTs) published between January 1980 and December 2019 relating to the effects of physical activity on executive function, working memory, cognitive flexibility, and ADL issues in AD patients. Sixteen eligible RCTs were ultimately included in the meta-analysis.Results: Physical activity had significant benefits on executive function [standard mean difference (SMD) = 0.42, 95% confidence interval (CI) 0.22–0.62, p &lt; 0.05], working memory (SMD = 0.28, 95% CI 0.11–0.45, p &lt; 0.05), cognitive flexibility (SMD = 0.23, 95% CI −0.02 to 0.47, p &lt; 0.01), and ADLs (SMD = 0.68, 95% CI 0.19–1.16, p &lt; 0.05) among AD patients. Subgroup analysis indicated that, for executive function issues, more than 60 min per session for 16 weeks of moderate-to-high-intensity dual-task exercises or multimodal exercise had a greater effect on AD patients. For working memory and cognitive flexibility issues, 60–90 min of moderate-intensity dual-task exercises 1–4 times/week was more effective. For ADL issues, 30–90 min of multimodal exercise at 60–79% of maximal heart rate (MHR) 3–4 times/week had a greater effect on AD patients.Conclusions: Physical activity was found to lead to significant improvements in executive function, working memory, cognitive flexibility, and ADLs in AD patients and can be used as an effective method for clinical exercise intervention in these patients. However, more objective, scientific, and effective RCTs are needed to confirm this conclusion.

scholarly journals DHA Manuscript

2019 ◽  
Author(s):  
Rakesh Balachandar ◽  
Soundarya S ◽  
Bhavani Shankara Bagepally
Keyword(s):  
Working Memory ◽  
Executive Function ◽  
Meta Analysis ◽  
Cognitive Domains ◽  
Standard Mean Difference ◽  
Age Related ◽  
Confounding Variables ◽  
Randomized Control ◽  
Age Related Cognitive Decline

Purpose: To investigate the role of DHA supplementation in preventing Age Related Cognitive Decline (ARCD) in cognitive domains by conducting systematic review and meta-analysis.Methods: Relevant clinical trials were systematically searched at Medline-Pubmed, Scopus, Cochrane, ProQuest and Embase databases since inception to June 2018. The PRISMA guidelines were adhered for data abstraction, quality assessment and validity of included randomized control trails. Study details such as participant characteristics, DHA supplementation and cognitive function outcome measures i.e. memory, attention, working memory and executive function scores, were extracted and performed meta-analysis according to Cochrane guidelines. Additional meta-regression and subgroup analysis was performed to detect confounding variables and sensitivity of results respectively.Results: Ten studies including 2327 elderly individuals were part of the final results. Study exhibited minimal or no pooled incremental effects on memory (0.22, 95%CI=-0.17 to 0.61, I2=94.36%, p&lt;0.001), attention (0.1, 95%CI=-0.04 to 0.25, I2=32.25%, p=0.18), working memory (0.01, 95%CI=-0.10 to 0.12, I2=0%, p=0.89) and executive function (0.03, 95%CI=-0.05 to 0.11, I2=78.48%, p&lt;0.001) among DHA supplemented group. While results from standard mean difference between groups on memory (0.08, 95%CI=-0.12 to 0.28, I2=76.82%, p&lt;0.001), attention (0.04, 95%CI=-0.09 to 0.23, I2=42.63%, p=0.11), working memory (-0.08, 95%CI=-0.26 to 0.10, I2=37.57%, p=0.17) and executive function (0.17, 95%CI=-0.01 to 0.36, I2=78.48%, p&lt;0.001). Results remained unaffected in multiple sensitivity and sub-group analyses.Conclusions: Current evidences don’t support the role of DHA supplementation, in preventing / retarding ARCD of memory, executive function, attention and working memory.Protocol registered at PROSPERO (ID: PROSPERO 2018 CRD42018099401).

scholarly journals Effects of Acute and Chronic Exercises on Executive Function in Children and Adolescents: A Systemic Review and Meta-Analysis

2020 ◽  
Vol 11 ◽  
Author(s):  
Shijie Liu ◽  
Qian Yu ◽  
Zaimin Li ◽  
Paolo Marcello Cunha ◽  
Yanjie Zhang ◽  
...  
Keyword(s):  
Working Memory ◽  
Executive Function ◽  
Children And Adolescents ◽  
Inhibitory Control ◽  
Cognitive Flexibility ◽  
Meta Analysis ◽  
Systemic Review ◽  
Cochrane Library ◽  
China National Knowledge Infrastructure ◽  
Exercise Interventions

Background: Physical exercises can affect executive function both acutely and chronically, with different mechanisms for each moment. Currently, only a few reviews have elaborated on the premise that different types of exercises have different mechanisms for improving executive function. Therefore, the primary purpose of our systematic review was to analyze the effects of acute and chronic exercises on executive function in children and adolescents.Objective: We identified acute and chronic exercise studies and randomized controlled trials (RCTs) of executive function in children and adolescents that reported overall effect, heterogeneity, and publication bias of acute and chronic exercises on executive function.Methods: We searched for RCTs of exercise interventions in children and adolescents from databases including PubMed, Web of Science, Scopus, The Cochrane Library, CNKI (China National Knowledge Infrastructure), and Wanfang, from January 1 2009 to December 31 2019. We performed methodological quality evaluations on the included literature using the Physiotherapy Evidence Database Scale (PEDro) and graded evidence with a meta-analysis using Stata 12.0 software.Results: In total, 36 RCTs were included (14 acute exercises, 22 chronic exercises); the overall results of the meta-analysis (4,577 students) indicated that acute exercises significantly improved working memory (standardized mean difference (SMD) = −0.72; 95% confidence interval (CI) −0.89 to −0.56; p &lt; 0.001), inhibitory control (SMD = −0.25; 95% CI −0.40 to −0.09; p = 0.002), and cognitive flexibility (SMD = −0.34; 95% CI −0.55 to −0.14; p &lt; 0.005), whereas chronic exercises significantly improved working memory (SMD = −0.54; 95% CI −0.74 to −0.33; p &lt; 0.001), inhibitory control (SMD = −0.30; 95% CI −0.38 to −0.22; p &lt; 0.001), and cognitive flexibility (SMD = −0.34, 95 % CI −0.48 to −0.20, p &lt; 0.001).Conclusion: Acute and chronic exercises can effectively improve the executive function of children and adolescents. The effects on inhibitory control and cognitive flexibility are considered as small effect sizes, while the effects on working memory are considered as moderate effect size. Limited by the quantity and quality of the included studies, the above conclusions need to be verified with more high-quality studies.

scholarly journals Effects of Sport-Based Interventions on Children’s Executive Function: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 11 (6) ◽  
pp. 755
Author(s):  
Falonn Contreras-Osorio ◽  
Christian Campos-Jara ◽  
Cristian Martínez-Salazar ◽  
Luis Chirosa-Ríos ◽  
Darío Martínez-García
Keyword(s):  
Systematic Review ◽  
Working Memory ◽  
Executive Function ◽  
Inhibitory Control ◽  
Cognitive Flexibility ◽  
Meta Analysis ◽  
Scientific Evidence ◽  
Healthy Children ◽  
Meta Analyses ◽  
The Impact

One of the most studied aspects of children’s cognitive development is that of the development of the executive function, and research has shown that physical activity has been demonstrated as a key factor in its enhancement. This meta-analysis aims to assess the impact of specific sports interventions on the executive function of children and teenagers. A systematic review was carried out on 1 November 2020 to search for published scientific evidence that analysed different sports programs that possibly affected executive function in students. Longitudinal studies, which assessed the effects of sports interventions on subjects between 6 and 18 years old, were identified through a systematic search of the four principal electronic databases: Web of Science, PubMed, Scopus, and EBSCO. A total of eight studies, with 424 subjects overall, met the inclusion criteria and were classified based on one or more of the following categories: working memory, inhibitory control, and cognitive flexibility. The random-effects model for meta-analyses was performed with RevMan version 5.3 to facilitate the analysis of the studies. Large effect sizes were found in all categories: working memory (ES −1.25; 95% CI −1.70; −0.79; p < 0.0001); inhibitory control (ES −1.30; 95% CI −1.98; −0.63; p < 0.00001); and cognitive flexibility (ES −1.52; 95% CI −2.20; −0.83; p < 0.00001). Our analysis concluded that healthy children and teenagers should be encouraged to practice sports in order to improve their executive function at every stage of their development.

scholarly journals Effectiveness of workplace exercise interventions in the treatment of musculoskeletal disorders in office workers: a protocol of a systematic review

BMJ Open ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. e038854
Author(s):  
Carlos Tersa-Miralles ◽  
Roland Pastells-Peiró ◽  
Francesc Rubí-Carnacea ◽  
Filip Bellon ◽  
Esther Rubinat Arnaldo
Keyword(s):  
Systematic Review ◽  
Musculoskeletal Disorders ◽  
Exercise Intervention ◽  
Meta Analysis ◽  
Office Workers ◽  
Cochrane Library ◽  
Exercise Interventions ◽  
Physical Strength ◽  
Prolonged Sitting ◽  
Randomised Controlled

IntroductionPhysical inactivity due to changes in our society towards more sedentary behaviours is leading to health problems. Increasing physical activity might be a good strategy to improve physical strength and reduce the prevalence of illnesses associated with prolonged sitting. Office workers exhibit a sedentary lifestyle with short rest periods or even without pauses during the workday. It is important to perform workplace interventions to treat musculoskeletal disorders caused by prolonged sitting and lack of movement adopted on the office setting. This article describes a protocol for a systematic review to evaluate the effectiveness of exercise interventions on office workers in their work environment.Methods and analysisA literature search will be performed in the PubMed, CINAHL Plus, Cochrane Library, Scopus, ISI WoS and PeDRO databases for randomised controlled trials and studies published from 1 January 2010 to 31 July 2020 in English or Spanish. The participants will be office workers who spend most of their work time in a sitting position. The interventions performed will include any type of exercise intervention in the workplace. The outcome measures will vary in accordance with the aim of the intervention observed. The results of the review and the outcomes from the studies reviewed will be summarised with a narrative synthesis. The review protocol was developed according to the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols guidelines.Ethics and disseminationEthical approval is not required. The review outcomes and the additional data obtained will be disseminated through publications and in scientific conferences.PROSPERO registration numberCRD42020177462.

scholarly journals Efficacy and Safety of Modified Yunu-Jian in Patients with Periodontitis: A Meta-Analysis

2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Yuanyuan Yue ◽  
Meng Gao ◽  
Yanru Deng ◽  
Jiemin Shao ◽  
Yingguang Sun
Keyword(s):  
Western Medicine ◽  
Combined Therapy ◽  
Meta Analysis ◽  
Effective Rate ◽  
Cochrane Library ◽  
Efficacy And Safety ◽  
China National Knowledge Infrastructure ◽  
Knowledge Infrastructure ◽  
Oral Inflammation

Background. Modified Yunu-Jian (mYJ), a Chinese medicine (CM) formula, is thought to clear heat and nourish yin. Clinically, it is often used to treat oral inflammation. However, its efficacy remains controversial. Methods. The study aims to evaluate the efficacy and safety of mYJ for treating patients with periodontitis. We searched electronic databases (PubMed, Cochrane Library, Embase, China National Knowledge Infrastructure, Wanfang database, VIP database, and CBM) from inception to December 2020. Only randomized controlled trials investigating modified Yunu-Jian, with or without other medications, against controlled intervention in the treatment of patients diagnosed with periodontitis were included. Both Review Manager 5.3 and Stata 15.0 software were used to analyze the data. The Cochrane Collaborations risk of bias tool was used to assess the quality of the methods. Results. Thirteen clinical trials, involving 1179 participants, were included in our investigation. The results showed that the combination of mYJ with western medicine improved the total effective rate compared with western medicine alone (RR = 1.17, 95% CI (1.12, 1.23), P  < 0.00001). The sensitivity analysis and Harbord’s test ( P  = 0.255) both showed that the results were statistically robust. Moreover, the periodontal indexes (GI, SBI, PLI, and PD; P  < 0.00001) of patients with periodontitis were also significantly improved after receiving the combined therapy. No serious adverse reactions were observed in the experimental groups. Conclusions. Evidence from the meta-analysis suggested that mYJ appeared to be effective and relatively safe for treating periodontitis. Because of the low quality of the methods used in the included RCTs, further studies with larger sample sizes and well-designed models are required to confirm our findings.

Effect of N-methyl-D-aspartate-receptor-enhancing agents on cognition in patients with schizophrenia: A systematic review and meta-analysis of double-blind randomised controlled trials

2019 ◽  
Vol 33 (4) ◽  
pp. 436-448 ◽  
Author(s):  
Chun-Hung Chang ◽  
Hsien-Yuan Lane ◽  
Ping-Tao Tseng ◽  
Shaw-Ji Chen ◽  
Chieh-Yu Liu ◽  
...  
Keyword(s):  
Working Memory ◽  
Cognitive Function ◽  
Nmda Receptor ◽  
Rating Scales ◽  
Meta Analysis ◽  
Random Effect Model ◽  
Double Blind ◽  
Cognitive Domains ◽  
Positive Effects ◽  
Statistical Heterogeneity

Background: Multiple N-methyl-d-aspartate (NMDA)-receptor-enhancing agents have demonstrated promising effects for cognition in schizophrenia. However, the results of studies have been conflicting. This updated meta-analysis explored the effect of NMDA-receptor-enhancing agents on cognitive function. Methods: We searched PubMed, the Cochrane Collaboration Central Register of Controlled Clinical Trials and Cochrane Systematic Reviews for studies on the effect of NMDA-receptor-enhancing agents on cognitive function in patients with schizophrenia up to September 2018. Double-blind randomised placebo trials with cognition rating scales were included. We pooled studies by using a random-effect model for comparisons with add-on NMDA-receptor-enhancing agents. Cognitive function scores were compared between baseline and subsequent levels, and NMDA-receptor-positive modulators were assessed using the standardised mean difference (SMD) with 95% confidence intervals (CIs). We evaluated statistical heterogeneity through visual inspection of funnel plots and by using the I2 statistic. Results: We identified 25 trials with 1951 participants meeting the inclusion criteria. NMDA-receptor-enhancing agents had a small but nonsignificant effect compared with the placebo on overall cognitive function (SMD = 0.068, CI = −0.056 to 0.193, P = 0.283). We identified trials enrolling patients aged between 30 and 39 years old, which reported significant positive effects (SMD: 0.163, 95% CI: 0.016–0.310, P = 0.030). Men were associated with a smaller effect of NMDA-receptor-positive modulators on overall cognitive function. Moreover, subgroup meta-analysis of cognitive domains revealed that N-acetyl cysteine (NAC) had a significant effect on working memory ( P-value for interaction = 0.038; SMD = 0.679, CI = 0.397–0.961, P < 0.001). Conclusions: Our meta-analysis revealed no significant effect of NMDA-enhancing agents on overall cognition. However, subgroup analysis suggested that NMDAR-enhancing agents may benefit young patients with schizophrenia, and NAC may have an effect on working memory. Additional trials with larger samples are suggested to evaluate these cognitive domains and ascertain the possible mechanisms.

scholarly journals The Impact of Mind-Body Exercises on Motor Function, Depressive Symptoms, and Quality of Life in Parkinson’s Disease: A Systematic Review and Meta-Analysis

2019 ◽  
Vol 17 (1) ◽  
pp. 31 ◽  
Author(s):  
Xiaohu Jin ◽  
Lin Wang ◽  
Shijie Liu ◽  
Lin Zhu ◽  
Paul Dinneen Loprinzi ◽  
...  
Keyword(s):  
Quality Of Life ◽  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Depressive Symptoms ◽  
Motor Function ◽  
Exercise Intervention ◽  
Meta Analysis ◽  
Cochrane Library ◽  
The Impact

Purpose: To systematically evaluate the effects of mind-body exercises (Tai Chi, Yoga, and Health Qigong) on motor function (UPDRS, Timed-Up-and-Go, Balance), depressive symptoms, and quality of life (QoL) of Parkinson’s patients (PD). Methods: Through computer system search and manual retrieval, PubMed, Web of Science, The Cochrane Library, CNKI, Wanfang Database, and CQVIP were used. Articles were retrieved up to the published date of June 30, 2019. Following the Cochrane Collaboration System Evaluation Manual (version 5.1.0), two researchers independently evaluated the quality and bias risk of each article, including 22 evaluated articles. The Pedro quality score of 6 points or more was found for 86% (19/22) of these studies, of which 21 were randomized controlled trials with a total of 1199 subjects; and the trial intervention time ranged from 4 to 24 weeks. Interventions in the control group included no-intervention controls, placebo, waiting-lists, routine care, and non-sports controls. Meta-analysis was performed on the literature using RevMan 5.3 statistical software, and heterogeneity analysis was performed using Stata 14.0 software. Results: (1) Mind-body exercises significantly improved motor function in PD patients, including UPDRS (SMD = −0.61, p < 0.001), TUG (SMD = −1.47, p < 0.001) and balance function (SMD = 0.79, p < 0.001). (2) Mind-body exercises also had significant effects on depression (SMD = −1.61, p = 0.002) and QoL (SMD = 0.66, p < 0.001). (3) Among the indicators, UPDRS (I2 = 81%) and depression (I2 = 91%) had higher heterogeneity; according to the results of the separate combined effect sizes of TUG (I2 = 29%), Balance (I2 = 16%) and QoL (I2 = 35%), it shows that the heterogeneity is small; (4) After meta-regression analysis of the age limit and other possible confounding factors, further subgroup analysis showed that the reason for the heterogeneity of UPDRS motor function may be related to the sex of PD patients and severity of the disease; the outcome of depression was heterogeneous. The reason for this may be the use of specific drugs in the experiment and the duration of intervention in the trial. Conclusion: (1) Mind-body exercises were found to have significant improvements in motor function, depressive symptoms, and quality of life in patients with Parkinson’s disease, and can be used as an effective method for clinical exercise intervention in PD patients. (2) Future clinical intervention programs for PD patients need to fully consider specific factors such as gender, severity of disease, specific drug use, and intervention cycle to effectively control heterogeneity factors, so that the clinical exercise intervention program for PD patients is objective, scientific, and effective.

scholarly journals The Long-Term Efficacy of Working Memory Training in Healthy Older Adults: A Systematic Review and Meta-Analysis of 22 Randomized Controlled Trials

2020 ◽  
Vol 75 (8) ◽  
pp. e174-e188
Author(s):  
Jianhua Hou ◽  
Taiyi Jiang ◽  
Jiangning Fu ◽  
Bin Su ◽  
Hao Wu ◽  
...  
Keyword(s):  
Older Adults ◽  
Working Memory ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Memory Training ◽  
Long Term Effects ◽  
Healthy Older Adults ◽  
Randomized Controlled ◽  
Randomized Controlled Studies

Abstract Objectives The long-lasting efficacy of working memory (WM) training has been a controversial and still ardently debated issue. In this meta-analysis, the authors explored the long-term effects of WM training in healthy older adults on WM subdomains and abilities outside the WM domain assessed in randomized controlled studies. Method A systematic literature search of PubMed, Web of Science, PsycINFO, Cochrane Library, ProQuest, clinicaltrials.gov, and Google Scholar was conducted. Random-effects models were used to quantitatively synthesize the existing data. Results Twenty-two eligible studies were included in the meta-analysis. The mean participant age ranged from 63.77 to 80.1 years. The meta-synthesized long-term effects on updating were 0.45 (95% confidence interval = 0.253–0.648, &lt;6 months: 0.395, 0.171–0.619, ≥6 months: 0.641, 0.223–1.058), on shifting, 0.447 (0.246–0.648, &lt;6 months: 0.448, 0.146–0.75, ≥6 months: 0.446, 0.176–0.716); on inhibition, 0.387 (0.228–0.547, &lt;6 months: 0.248, 0.013–0.484, ≥6 months: 0.504, 0.288–0.712); on maintenance, 0.486 (0.352–0.62, &lt;6 months: 0.52, 0.279–0.761, ≥6 months: 0.471, 0.31–0.63). Discussion The results showed that WM training exerted robust long-term effects on enhancing the WM system and improving processing speed and reasoning in late adulthood. Future studies are needed to use different tasks of the same WM construct to evaluate the WM training benefits, to adopt more ecological tasks or tasks related to daily life, to improve the external validity of WM training, and to identify the optimal implementation strategy for WM training.

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