Network-based transcranial direct current stimulation enhances attention function in healthy young adults: a preliminary study

被引:1
作者
Wei, Xiaoyu [1 ,2 ]
Zhou, Rong [1 ,2 ]
Zheng, Suwang [1 ,2 ]
Zhang, Yufeng [1 ,2 ]
Feng, Xiaofan [1 ,2 ]
Lue, Jiaojiao [1 ,2 ]
机构
[1] Shanghai Univ Sport, Key Lab Exercise & Hlth Sci, Minist Educ, Shanghai, Peoples R China
[2] Shanghai Univ Sport, Sch Exercise & Hlth, Shanghai, Peoples R China
来源
FRONTIERS IN HUMAN NEUROSCIENCE | 2024年 / 18卷
基金
中国国家自然科学基金;
关键词
transcranial direct current stimulation; brain network modulation; attention; dorsal attention network; default network; TOP-DOWN; DEFAULT; TDCS; SYSTEM; TASK; EXCITABILITY; GAIT;
D O I
10.3389/fnhum.2024.1421230
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
Purpose Attention, a complex cognitive process, is linked to the functional activities of the brain's dorsal attention network (DAN) and default network (DN). This study aimed to investigate the feasibility, safety, and blinding efficacy of a transcranial direct current stimulation (tDCS) paradigm designed to increase the excitability of the DAN while inhibiting the DN (DAN+/DN-tDCS) on attention function in healthy young adults. Methods In this randomized controlled experiment, participants were assigned to either the DAN+/DN-tDCS group or the sham group. A single intervention session was conducted at a total intensity of 4 mA for 20 min. Participants completed the Attention Network Test (ANT) immediately before and after stimulation. Blinding efficacy and adverse effects were assessed post-stimulation. Results Forty participants completed the study, with 20 in each group. Paired-sample t-test showed a significant post-stimulation improvement in executive effect performance (t = 2.245; p = 0.037) in the DAN+/DN-tDCS group. The sham group did not exhibit any significant differences in ANT performance. Participants identified the stimulation type with 52.50% accuracy, indicating no difference in blinding efficacy between groups (p = 0.241). Mild-to-moderate adverse effects, such as stinging, itching, and skin reddening, were reported in the DAN+/DN-tDCS group (p < 0.05). Conclusion DAN+/DN-tDCS enhanced attention function in healthy young individuals, particularly in improving executive effect performance. This study presents novel strategies for enhancing attentional performance and encourages further investigation into the mechanisms and outcomes of these interventions across diverse populations.
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页数:8
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