Brain stimulation improves cognitive control by modulating medial-frontal activity and preSMA-vmPFC functional connectivity

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题名:	Brain stimulation improves cognitive control by modulating medial-frontal activity and preSMA-vmPFC functional connectivity
作者:	阮啓弘;Yu, Jiaxin;Tseng, Philip;Hung, Daisy L.;Wu, Shih-Wei;Juan, Chi-Hung
贡献者:	生醫理工學院認知神經科學研究所
关键词:	Adult;Brain - physiology;Cerebral Cortex - physiology;Cognition - physiology;Female;fMRI;Humans;Image Processing, Computer-Assisted;Magnetic Resonance Imaging;Male;Motor Cortex - physiology;Neural Pathways - physiology;Oxygen - blood;Prefrontal Cortex - physiology;preSMA;Psychomotor Performance - physiology;Reaction Time - physiology;response inhibition;tDCS;Transcranial Direct Current Stimulation;vmPFC;Young Adult
日期:	2015-10-01
上传时间:	2026-04-23 14:21:36 (UTC+8)
出版者:	Wiley-Liss Inc.;United States: Blackwell Publishing Ltd
摘要:	摘要： AbstractPrevious research has demonstrated that brain stimulation can improve inhibitory control. However, the neural mechanisms underlying such artificially induced improvement remain unclear. In this study, by coupling anodal transcranial direct current stimulation (atDCS) with functional MRI, we found that atDCS over preSMA effectively improved stopping speed, which was associated with increased BOLD response in the preSMA and ventromedial prefrontal cortex (vmPFC). Furthermore, such atDCS‐induced BOLD increase in vmPFC was positively correlated with participants’ improvement in stopping efficiency, and the functional connectivity between preSMA and vmPFC increased during successful stop. These results suggest that the rapid behavioral improvement from preSMA brain stimulation involves modulated medial‐frontal activity and preSMA‐vmPFC functional connectivity. Hum Brain Mapp 36:4004–4015, 2015. © 2015 Wiley Periodicals, Inc. 其他題名： Hum. Brain Mapp 出版者： United States: Blackwell Publishing Ltd 出版日期： 2015-10 出處： Human Brain Mapping, 2015-10, Vol.36 (10), p.4004-4015 資源來源： Alma/SFX Local Collection 版權： 2015 Wiley Periodicals, Inc. 識別號： ISSN: 1065-9471 識別號： ISSN: 1097-0193 識別號： EISSN: 1097-0193 識別號： DOI: 10.1002/hbm.22893 識別號： PMID: 26248582
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