A Link between the Increase in Electroencephalographic Coherence and Performance Improvement in Operating a Brain-Computer Interface

Figure 5

Accuracy and ErCoh (average among trials, error bars indicate the confidence interval) for the cases in which Subject 3 showed an increment on ErCoh in the contralateral centrofrontal or centroparietal areas.

(a) Subject 3 (FES, C3-P3)

(b) Subject 3 (V, C3-F3)

(c) Subject 3 (V, C3-P3)

(d) Subject 3 (NA, C3-F3)

(e) Subject 3 (NA, Cz-P3)