Cortical Contribution during Active and Passive Pedaling: A Preliminary Study

Shi-Chun Bao, Kenry W. C. Leung, Cheng Chen, K. Tong
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引用次数: 2

Abstract

Recognizing neuro-motor control process of human locomotion is challenging and the progress was limited due to the complex dynamic control progress and the motion artifacts. We applied Adaptive Mixture Independent Component Analysis (AMICA) to explore the voluntary cortical contribution during pedaling process and compared the difference between active and passive pedaling in this preliminary study. We explored the power spectral density, source localization, and event-related spectral perturbations of selected independent components (ICs). The results demonstrated typical IC clusters during pedaling, and various cortical regions contribute differently to the locomotion control process. The active and passive pedaling showed different activation pattern in the cortex, but no significant difference was found, further study is still necessary to confirm the cortical contribution difference for different pedaling conditions.
主动和被动蹬车时皮质的贡献:初步研究
由于复杂的动态控制过程和运动伪影的存在,对人体运动的神经运动控制过程的识别是一个具有挑战性的问题。本初步研究采用自适应混合独立成分分析(AMICA)方法探讨了自主皮质在踩踏过程中的贡献,并比较了主动和被动踩踏的差异。我们探索了功率谱密度、源定位和所选独立分量(ic)的事件相关谱扰动。结果表明,不同皮质区域在运动控制过程中起着不同的作用。主动和被动蹬车时皮质的激活模式不同,但未发现显著性差异,不同蹬车条件下皮质的贡献差异有待进一步研究证实。
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