Electroencephalographic (EEG) control of three-dimensional movement.

Electroencephalographic (EEG) control of three-dimensional movement.
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DOI:
10.1088/1741-2560/7/3/036007
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发表时间:
2010-06
影响因子:
4
通讯作者:
Wolpaw JR
Wolpaw JR
中科院分区:
工程技术2区
文献类型:
--
作者:
McFarland DJ;Sarnacki WA;Wolpaw JR

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脑机接口(BCI)可以使用来自头皮(EEG)、皮质表面(ECoG)或皮质内的大脑信号来恢复瘫痪患者的运动控制。与基于肌肉的技能一样,脑机接口的使用需要大脑中依赖活动的适应,以保持个人意图与传达意图的信号之间的稳定关系。这项研究表明,人类可以通过一系列的训练课程来学习使用脑电进行三维控制。负责的脑电特征集中在头皮的地形图上,并在特定的频段上进行频谱分析。人们同时控制三个独立的信号(每个维度一个),并在虚拟的三维空间中到达目标。在人类中进行这种脑机接口控制之前还没有报道。结果表明,随着进一步的发展,基于非侵入性脑电的脑机接口可能会控制机械臂或神经假体的复杂运动。
Brain-computer interfaces (BCIs) can use brain signals from the scalp (EEG), the cortical surface (ECoG), or within the cortex to restore movement control to people who are paralyzed. Like muscle-based skills, BCI use requires activity-dependent adaptations in the brain that maintain stable relationships between the person’s intent and the signals that convey it. This study shows that humans can learn over a series of training sessions to use EEG for three-dimensional control. The responsible EEG features are focused topographically on the scalp and spectrally in specific frequency bands. People acquire simultaneous control of three independent signals (one for each dimension) and reach targets in a virtual three-dimensional space. Such BCI control in humans has not been reported previously. The results suggest that with further development noninvasive EEG-based BCIs might control the complex movements of robotic arms or neuroprostheses.
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发表时间: 2004-06-01
影响因子: 4.6
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