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Table 2 Statistical test results for Experiment 2

From: Objective evaluation of fatigue by EEG spectral analysis in steady-state visual evoked potential-based brain-computer interfaces

Index Alert Mean (SD) Fatigue Mean (SD) ANOVA Change direction
F p
δ 1.02 (0.03) 1.09 (0.04) 8.70 <0.05
θ 0.57 (0.02) 0.59 (0.01) 1.42 =0.267
α 0.64 (0.01) 0.70 (0.01) 326.07 <0.001
β 0.34 (0.01) 0.36 (0.01) 64.25 <0.001
θ/α 1.04 (0.02) 0.97 (0.01) 84.34 <0.001
(θ + α)/β 3.95 (0.05) 4.21 (0.07) 53.38 <0.001
SSVEP amplitude 1.56 (0.06) 1.39 (0.02) 35.88 <0.001
SSVEP SNR 1.97 (0.03) 1.84 (0.04) 35.40 <0.001
  1. Alert Mean: average value of the first five trials in the experiment; Fatigue Mean: average value of the last five trials in the experiment. SD: standard deviation; ↑: increase; ↓: decrease; ―: unchanged; degrees of freedom for the ANOVA = (1,8).