Effects of repeated unihemispheric concurrent dual-site tDCS and virtual reality games on motor coordination of sedentary adolescent girls.

IF 4.7 2区心理学 Q1 BEHAVIORAL SCIENCES Behavioral and Brain Functions Pub Date : 2024-08-22 DOI:10.1186/s12993-024-00247-w

Nasrin Shahbazi, Ali Heirani, Ehsan Amiri, Daniel Gomes da Silva Machado

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Abstract

Background: This study investigated the effects of repetitive unihemispheric concurrent dual-site anodal transcranial direct current stimulation (a-tDCS_UHCDS) associated with the use of virtual reality games (VR) on the motor coordination of sedentary adolescent girls.

Methods: Thirty-six inactive adolescent girls were randomly assigned into 3 groups (n = 12 per group): (1) VR + a-tDCS_UHCDS, (2) VR + sham-tDCS_UHCDS, and (3) Control. The VR + a-tDCS_UHCDS and VR + s-tDCS_UHCDS groups received the intervention three times a week for four weeks. In each experimental session, participants first received either 20 min of a-tDCS_UHCDS (2 mA at each anodal electrode) targeting the primary motor cortex (M1) and the left dorsolateral prefrontal cortex (DLPFC) or sham and then performed VR for 1 h. The control group received no intervention. Eye-hand coordination (EHC) and bimanual coordination (BC) were measured at baseline, post-intervention, and two weeks later (retention test) using the automatic scoring mirror tracer and continuous two-arm coordination test, respectively.

Results: Results showed that the EHC was significantly higher in the VR + a-tDCS and VR + s-tDCS groups at post-intervention (all ps< 0.001) and the retention test (all ps< 0.001) compared to the control group. Moreover, the EHC was significantly higher in the VR + a-tDCS group compared to the VR + s-tDCS group (p = 0.024) at the retention. Similarly, VR + a-tDCS and VR + s-tDCS improved BC compared to the control group at post-intervention (all ps< 0.001) and retention test (all ps< 0.001). In addition, higher BC was observed in the VR + a-tDCS group compared to the VR + s-tDCS group (p< 0.001) at the retention test.

Conclusions: Our results suggest that adding a-tDCS_UHCDS to VR over 12 sessions may have an additional effect on VR training for improving and retaining motor coordination in sedentary adolescent girls.

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重复单半球同时双部位 tDCS 和虚拟现实游戏对久坐少女运动协调能力的影响。

背景：本研究调查了与使用虚拟现实游戏（VR）相关的重复性单半球并发双部位阳极经颅直流电刺激（a-tDCSUHCDS）对久坐少女运动协调能力的影响：将 36 名不运动的少女随机分为 3 组（每组 12 人）：(1) VR + a-tDCSUHCDS；(2) VR + 假-tDCSUHCDS；(3) 对照组。VR + a-tDCSUHCDS 组和 VR + s-tDCSUHCDS 组每周接受三次干预，为期四周。在每次实验中，参与者首先接受 20 分钟针对初级运动皮层（M1）和左侧背外侧前额叶皮层（DLPFC）的 a-tDCSUHCDS（每个阳极电极 2 毫安）或假干预，然后进行 1 小时的 VR。分别在基线、干预后和两周后（保留测试）使用自动计分镜像追踪和连续双臂协调测试测量眼手协调（EHC）和双臂协调（BC）：结果显示，与对照组相比，VR + a-tDCS 组和 VR + s-tDCS 组在干预后（所有 ps 均< 0.001）和保留测试（所有 ps 均< 0.001）的 EHC 明显更高。此外，在保留测试中，VR + a-tDCS 组的 EHC 明显高于 VR + s-tDCS 组（p = 0.024）。同样，与对照组相比，VR + a-tDCS 和 VR + s-tDCS 在干预后（所有 ps 均< 0.001）和保留测试（所有 ps 均< 0.001）中改善了 BC。此外，在保留测试中，与 VR + s-tDCS 组相比，VR + a-tDCS 组的 BC 更高（P< 0.001）：我们的研究结果表明，在 12 个疗程的 VR 中加入 a-tDCSUHCDS 可能会在 VR 训练的基础上产生额外效果，从而改善并保持久坐少女的运动协调能力。

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来源期刊

Behavioral and Brain Functions 医学-行为科学

CiteScore

5.90

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： A well-established journal in the field of behavioral and cognitive neuroscience, Behavioral and Brain Functions welcomes manuscripts which provide insight into the neurobiological mechanisms underlying behavior and brain function, or dysfunction. The journal gives priority to manuscripts that combine both neurobiology and behavior in a non-clinical manner.