Spatio-temporal analysis of error-related brain activity in active and passive brain-computer interfaces.
Spatio-temporal analysis of error-related brain activity in active and passive brain-computer interfaces.
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DOI:
10.1080/2326263x.2019.1671040
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
de Sa VR
中科院分区:
文献类型:
--
作者:
Mousavi M;de Sa VR
Electroencephalography (EEG)-based brain–computer interface (BCI) systems infer brain signals recorded via EEG without using common neuromuscular pathways. User brain response to BCI error is a contributor to non-stationarity of the EEG signal and poses challenges in developing reliable active BCI control. Many passive BCI implementations, on the other hand, have the detection of error-related brain activity as their primary goal. Therefore, reliable detection of this signal is crucial in both active and passive BCIs. In this work, we propose CREST: a novel covariance-based method that uses Riemannian and Euclidean geometry and combines spatial and temporal aspects of the feedback-related brain activity in response to BCI error. We evaluate our proposed method with two datasets: an active BCI for 1-D cursor control using motor imagery and a passive BCI for 2-D cursor control. We show significant improvement across participants in both datasets compared to existing methods.
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影响因子:
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作者:
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通讯作者:
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DOI:
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