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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).