Postmovement Beta Rebound in Real and Imagined Movement.

IF 0.9 4区 医学 Q4 NEUROSCIENCES Motor Control Pub Date : 2024-08-22 DOI:10.1123/mc.2023-0033
Helene M Sisti, Annika Beebe, Elias Gabrielsson, Mercedes Bishop
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Abstract

Movement disorders, such as stroke and amyotrophic lateral sclerosis, result in loss of upper limb function and, hence, severe impairments of bimanual coordination. Although motor imagery is increasingly used to enhance neurorehabilitation, cognitive and neurophysiological parameters that inform effective strategies remain elusive. The aim of the present study is to elucidate the neural dynamics that underlie learning during real and imagined movement using both unimanual and bimanual coordination patterns. The post movement beta rebound (PMBR) has been implicated as a biomarker of motor control and therefore was the focus of this study. Healthy adults (n = 21) learned a visuomotor tracking task in a single session using either one or both hands while brainwaves were captured using electroencephalography. Postmovement beta rebound was evident in the sensorimotor cortex for both unimanual and bimanual conditions. Task-related power of the beta band demonstrated that actual unimanual movement requires greater contralateral activity compared with both actual bimanual movement and imagined movement of either condition. Notably, the PMBR was evident even in imagined movement, although to a lesser extent than real movement. Neurophysiological results support a functional role for beta band in movement. Results of these data may inform neurorehabilitation strategies for patients recovering from movement disorders of the upper limbs.

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真实和想象运动中的运动后贝塔反弹。
中风和肌萎缩性脊髓侧索硬化症等运动障碍会导致上肢功能丧失,从而严重影响双肢协调能力。尽管运动想象被越来越多地用于加强神经康复,但能为有效策略提供信息的认知和神经生理参数仍然难以捉摸。本研究旨在利用单手和双手协调模式,阐明在真实和想象运动过程中学习的神经动力学基础。运动后贝塔反弹(PMBR)被认为是运动控制的生物标记,因此也是本研究的重点。健康的成年人(n = 21)在一次训练中使用单手或双手学习视觉运动跟踪任务,同时使用脑电图捕捉脑电波。无论是单手还是双手,运动后的贝塔反弹在感觉运动皮层都很明显。贝塔波段的任务相关功率表明,与实际双手运动和想象运动相比,实际单手运动需要更大的对侧活动。值得注意的是,即使在想象运动中,PMBR 也很明显,尽管程度低于实际运动。神经生理学结果支持β波段在运动中的功能性作用。这些数据结果可为上肢运动障碍康复患者的神经康复策略提供参考。
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来源期刊
Motor Control
Motor Control 医学-神经科学
CiteScore
1.80
自引率
9.10%
发文量
48
审稿时长
>12 weeks
期刊介绍: Motor Control (MC), a peer-reviewed journal, provides a multidisciplinary examination of human movement across the lifespan. To keep you abreast of current developments in the field of motor control, it offers timely coverage of important topics, including issues related to motor disorders. This international journal publishes many types of research papers, from clinical experimental to modeling and theoretical studies. These papers come from such varied disciplines as biomechanics, kinesiology, neurophysiology, neuroscience, psychology, physical medicine, and rehabilitation. Motor Control, the official journal of the International Society of Motor Control, is designed to provide a multidisciplinary forum for the exchange of scientific information on the control of human movement across the lifespan, including issues related to motor disorders. Motor Control encourages submission of papers from a variety of disciplines including, but not limited to, biomechanics, kinesiology, neurophysiology, neuroscience, psychology, physical medicine, and rehabilitation. This peer-reviewed journal publishes a wide variety of types of research papers including clinical experimental, modeling, and theoretical studies. To be considered for publication, papers should clearly demonstrate a contribution to the understanding of control of movement. In addition to publishing research papers, Motor Control publishes review articles, quick communications, commentaries, target articles, and book reviews. When warranted, an entire issue may be devoted to a specific topic within the area of motor control.
期刊最新文献
Toward an Operational Dynamical Model of Lateral Manual Interception Behavior. The Effect of Cognitive and Motor Dual Tasks on the Synergy of Lower Limb Muscles During Walking. Attentional Focus Strategies Can Improve Performance of Postural Control in Runners. Effect of a Perturbation-Based Balance Training Session on Adaptive Locomotor Response in Older Adults With a History of Falls. Postmovement Beta Rebound in Real and Imagined Movement.
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