Comparing BCI performance using scalp EEG-and inverse solution-based features

Several studies have proposed the use of inverse solutions based features to improve the decoding performance of brain-computer interfaces. Most of these studies have compared the performance of inverse solutions features over scalp activity in a small set of electrodes. However, the estimated sources are indeed a linear combination of scalp-wide activity. Therefore, this comparison may be biased against surface EEG. Performance comparison in three ERP-based protocols show that classifiers combining larger sets of EEG electrodes may perform comparably, and previous reports may have overestimated the advantages of using inverse solution based features.


Presented at:
6th International Brain-Computer Interface Conference 2014, Graz, Austria, September 16-19, 2014
Year:
2014
Laboratories:




 Record created 2014-07-04, last modified 2018-03-18

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