Fig. 2 | Scientific Reports

Fig. 2

From: Integrating active brain-computer interfaces (aBCIs) with passive BCIs (pBCIs) under different frustration levels

Fig. 2

The upper part is the T-value comparison of the PSD mean statistics of all trials under different states, and the lower part is the p-value comparison. From left to right are the Delta, Theta, Alpha, Beta and Gamma frequency bands of the EEG signal. There are three data columns in each image, representing the corresponding t-value and p-value of Low vs mid, Low vs High and mid vs high states respectively.

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