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Table 1 Statistical test results for Experiment 1

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 1.62 (0.05) 1.77 (0.01) 41.77 <0.001
θ 1.08 (0.02) 1.18 (0.04) 17.72 <0.001
α 1.15 (0.07) 1.39 (0.04) 47.64 <0.001
β 0.73 (0.01) 0.74 (0.01) 2.59 =0.146
θ/α 0.94 (0.05) 0.84 (0.01) 22.89 <0.001
(θ + α)/β 3.05 (0.10) 3.48 (0.07) 66.40 <0.001
SSVEP amplitude 3.48 (0.12) 3.11 (0.03) 44.32 <0.001
SSVEP SNR 2.22 (0.02) 2.02 (0.03) 145.29 <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).