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Is transcranial alternating current stimulation effective for improving working memory? A three-level meta-analysis

文献类型：期刊论文

作者Zhang, Siyuan1,2; Cui, Xiaobing1,2; Yu, Shuting1,2; Li, Xuebing1,2
刊名PSYCHONOMIC BULLETIN & REVIEW
出版日期2024-10-22
页码16
关键词Transcranial alternating current stimulation (tACS) Working memory (WM) Meta-analysis N-back
ISSN号1069-9384
DOI10.3758/s13423-024-02595-0
通讯作者Li, Xuebing(lixb@psych.ac.cn)
英文摘要Working memory, an essential component of cognitive function, can be improved through specific methods. This meta-analysis evaluates the effectiveness of transcranial alternating current stimulation (tACS), an emerging technique for enhancing working memory, and explores its efficacy, influencing factors, and underlying mechanisms. A PRISMA systematic search was conducted. Hedges's g was used to quantify effect sizes. We constructed a three-level meta-analytic model to account for all effect sizes and performed subgroup analyses to assess moderating factors. Recognizing the distinct neural underpinnings of various working memory processes, we separately assessed the effects on n-back tasks and traditional working memory tasks. A total of 39 studies with 405 effect sizes were included (170 from n-back tasks and 235 from other tasks). The overall analysis indicated a net benefit of g = 0.060 of tACS on working memory. Separate analyses showed that tACS had a small positive effect on n-back tasks (g = 0.102), but almost no effect on traditional working memory tasks (g = 0.045). Further analyses revealed mainly: A moderately positive effect of theta tACS (without anti-phase stimulation) on n-back tasks (g = 0.207); and a small effect of offline stimulation on working memory maintenance (g = 0.127). Overall, tACS has minimal impact on working memory improvement, but it shows potential under certain conditions. Specifically, both online and offline theta tACS can improve n-back task performance, while only offline stimulation enhances working memory maintenance. More research is needed to understand the mechanisms behind these effects to make tACS an effective method.
收录类别SCI
WOS关键词FRONTOPARIETAL THETA TACS ; HIGH GAMMA ; BRAIN OSCILLATIONS ; MOTOR SYSTEM ; INTELLIGENCE ; ATTENTION ; NETWORK ; CORTEX ; SYNCHRONIZATION ; EXCITABILITY
资助项目Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences[E2CX3815CX]
WOS研究方向Psychology
语种英语
WOS记录号WOS:001338051300003
出版者SPRINGER
资助机构Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences
源URL[http://ir.psych.ac.cn/handle/311026/49161]  
专题心理研究所_中国科学院心理健康重点实验室
通讯作者Li, Xuebing
作者单位1.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Siyuan,Cui, Xiaobing,Yu, Shuting,et al. Is transcranial alternating current stimulation effective for improving working memory? A three-level meta-analysis[J]. PSYCHONOMIC BULLETIN & REVIEW,2024:16.
APA Zhang, Siyuan,Cui, Xiaobing,Yu, Shuting,&Li, Xuebing.(2024).Is transcranial alternating current stimulation effective for improving working memory? A three-level meta-analysis.PSYCHONOMIC BULLETIN & REVIEW,16.
MLA Zhang, Siyuan,et al."Is transcranial alternating current stimulation effective for improving working memory? A three-level meta-analysis".PSYCHONOMIC BULLETIN & REVIEW (2024):16.

入库方式： OAI收割

来源：心理研究所

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