Cortical imaging of sensorimotor rhythms for BCI applications.
Cortical imaging of sensorimotor rhythms for BCI applications.
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BCI 应用的感觉运动节律的皮质成像。
DOI：
10.1109/iembs.2009.5334130
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发表时间：
2009
期刊：
影响因子：
--
通讯作者：
He,Bin
中科院分区：
文献类型：
--
作者：
Yuan,Han;He,Bin
与运动想象相关的节律性脑电（EEG）活动被广泛用于开发无创脑-机接口（BCI），以替代或恢复瘫痪患者失去的运动功能。因此，发展脑电成像技术，提高脑电模态的空间分辨率和特异性具有重要意义。在我们的工作中，我们开发了一种创新的方法，在频谱域中成像的分布式节奏的大脑活动。在本研究中，我们评估了所提出的技术在实验数据中的离线和在线想象天真和训练有素的BCI科目。我们的研究结果确定了感觉运动节律的皮质起源。我们还将源成像方法应用于脑机接口应用中的精神状态分类，并证明了其可行性和上级性能。
Rhythmic electroencephalographic (EEG) activities associated with movement imaginations are widely used in developing noninvasive Brain-Computer Interface (BCI) towards replacing or restoring the lost motor function in the paralytics. And it is of great importance to develop imaging techniques to enhance the spatial resolution and specificity of the EEG modality. In our work, we developed an innovative approach of imaging the distributed rhythmic brain activity in the spectral domain. In the present study, we evaluated the proposed technique in experimental data of offline and online imaginations in naive and well-trained BCI subjects. Our results identified the cortical origins of sensorimotor rhythms. We also applied the source imaging approach to classifying mental states for BCI applications and demonstrated its feasibility and superior performance.