Hemodynamic Signal Changes During Motor Imagery Task Performance Are Associated With the Degree of Motor Task Learning.
Hemodynamic Signal Changes During Motor Imagery Task Performance Are Associated With the Degree of Motor Task Learning.
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DOI：
10.3389/fnhum.2021.603069
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发表时间：
2021
影响因子：
2.9
通讯作者：
Higashi T
中科院分区：
文献类型：
--
作者：
Iso N;Moriuchi T;Fujiwara K;Matsuo M;Mitsunaga W;Hasegawa T;Iso F;Cho K;Suzuki M;Higashi T
本研究旨在探讨在运动想象（MI）任务中产生的氧合血红蛋白（oxygenated hemoglobin，oxy-Hb）是否与任务的运动学习水平相关。我们纳入了16名右撇子健康参与者，他们接受了球旋转（BR）任务的训练。使用近红外光谱法测量血流动力学脑活动，以监测BR MI任务期间氧合血红蛋白浓度的变化。实验方案采用区组设计，在BR任务的初始训练之前和之后以及最终训练之后进行三次测量。还测量了训练期间的BR计数。此外，使用视觉模拟量表（VAS）进行NIRS测量后，对MI的主观生动性进行了三次评价。结果表明，随着训练的进行，BR的数量显著增加（P < 0.001）。VAS评分也随着训练而改善（P < 0.001）。此外，oxy-Hb浓度和感兴趣区域（ROI）显示出主要效应（P = 0.001）。确认了相互作用（P < 0.001），并且可以确定，对于每个ROI，由于训练引起的oxy-Hb浓度的变化是不同的。主观MI生动性的最重要的预测因子是补充运动区（SMA）的oxy-Hb浓度（系数= 0.365）。MI任务期间的血液动力学脑活动可能与任务运动学习水平相关，因为在SMA的初始和最终训练后观察到氧合血红蛋白浓度的显著变化。特别是，SMA中的血流动力学脑活动被认为反映了参与者的MI生动性。
This study aimed to investigate whether oxygenated hemoglobin (oxy-Hb) generated during a motor imagery (MI) task is associated with the motor learning level of the task. We included 16 right-handed healthy participants who were trained to perform a ball rotation (BR) task. Hemodynamic brain activity was measured using near-infrared spectroscopy to monitor changes in oxy-Hb concentration during the BR MI task. The experimental protocol used a block design, and measurements were performed three times before and after the initial training of the BR task as well as after the final training. The BR count during training was also measured. Furthermore, subjective vividness of MI was evaluated three times after NIRS measurement using the Visual Analog Scale (VAS). The results showed that the number of BRs increased significantly with training (P < 0.001). VAS scores also improved with training (P < 0.001). Furthermore, oxy-Hb concentration and the region of interest (ROI) showed a main effect (P = 0.001). An interaction was confirmed (P < 0.001), and it was ascertained that the change in oxy-Hb concentrations due to training was different for each ROI. The most significant predictor of subjective MI vividness was supplementary motor area (SMA) oxy-Hb concentration (coefficient = 0.365). Hemodynamic brain activity during MI tasks may be correlated with task motor learning levels, since significant changes in oxy-Hb concentrations were observed following initial and final training in the SMA. In particular, hemodynamic brain activity in the SMA was suggested to reflect the MI vividness of participants.
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DOI：
10.1093/ecam/nem170
发表时间：
2010-06
期刊：
Evidence-based complementary and alternative medicine : eCAM
影响因子：
--
作者：
Gregg M;Hall C;Butler A
通讯作者：
Butler A
影响因子：
3.4
作者：
Kawashima, R;Matsumura, M;Yonekura, Y
通讯作者：
Yonekura, Y
影响因子：
2.9
作者：
Likitlersuang, Jirapat;Koh, Ryan;Marquez-Chin, Cesar
通讯作者：
Marquez-Chin, Cesar
影响因子：
4.2
作者：
Kimberley, TJ;Khandekar, G;Walker, SR
通讯作者：
Walker, SR
影响因子：
5.7
作者：
Jeannerod, M
通讯作者：
Jeannerod, M