... for driving brain-computer interface (BCI) systems Brain and Cognition 2003, 51(3):326-336 Grosse-Wentrup M, Liefhold C, Gramann K, Buss M: Beamforming in noninvasive Brain-Computer Interfaces ... a feedback distortion While it is not surprising that inaccurate feedback decreases performance for able subjects, an increase in classification accuracy due to a feedback bias in bad-performing ... Interfaces IEEE Transactions in Biomedical Engineering 2009, 56(4):1209-1219 Ramoser H, Mueller-Gerking J, Pfurtscheller G: Optimal Spatial Filtering of Single Trial EEG During Imagined Hand Movement IEEE...