论文标题

评论“关于上肢视觉运动任务期间纯运动EEG神经相关性的纯运动脑电图的提取”

Comment on "On the Extraction of Purely Motor EEG Neural Correlates during an Upper Limb Visuomotor Task"

论文作者

Ofner, Patrick, Pereira, Joana, Kobler, Reinmar, Schwarz, Andreas, Müller-Putz, Gernot R.

论文摘要

Bibian等。在他们最近的论文中(Bibián等,2021)中表明,眼睛和头部运动可能会影响到达运动任务的基于EEG的分类。这些运动可以产生人工制品,从而导致分类准确性的过度估计。他们推测,这种伪像危害了包括我们研究在内的几项运动解码研究的结果(Ofner等,2017)。当我们认可他们对人工制品的警告时,我们确实怀疑他们的工作是否支持有关我们的研究的陈述。我们在这篇评论中提供了对Ofner等人介绍的工作的更细微的上下文化。以及Bibian等人研究的人工制品类型。

Bibian et al. show in their recent paper (Bibián et al. 2021) that eye and head movements can affect the EEG-based classification in a reaching motor task. These movements can generate artefacts that can cause an overoptimistic estimation of the classification accuracy. They speculate that such artefacts jeopardise the interpretation of the results from several motor decoding studies including our study (Ofner et al. 2017). While we endorse their warning about artefacts in general, we do have doubts whether their work supports such a statement with respect to our study. We provide in this commentary a more nuanced contextualization of our work presented in Ofner et al. and the type of artefacts investigated in Bibian et al.

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