Table 2 Behavioral performance and event-related potential (ERP) values (N100 and P300 amplitudes and latencies) in patients with Internet gaming disorder (IGD) or alcohol use disorder (AUD) and healthy controls (HCs).

Accuracy rate (%)

98.31 ± 3.12

98.06 ± 3.89

95.56 ± 8.94

0.053

0.948

0.002

Reaction time (ms)

349.91 ± 41.58

367.06 ± 51.71

395.11 ± 78.67

1.603

0.209

0.044

Cz amplitude (μV)

4.84 ± 2.20

4.17 ± 1.86

3.56 ± 1.43

1.138

0.326

0.031

CPz amplitude (μV)

6.66 ± 1.65

5.35 ± 1.47

4.95 ± 1.72

5.669

0.005

0.138

H > I, A

Pz amplitude (μV)

6.49 ± 2.34

5.17 ± 2.06

4.84 ± 1.86

3.925

0.024

0.100

H > I, A

Cz latency (ms)

337.43 ± 40.08

359.69 ± 53.70

342.64 ± 46.56

1.699

0.190

0.046

CPz latency (ms)

354.07 ± 40.38

377.84 ± 44.93

366.55 ± 44.46

3.028

0.055

0.079

Pz latency (ms)

346.62 ± 40.81

365.68 ± 56.88

369.73 ± 55.64

1.451

0.241

0.039

Fz amplitude (μV)

−3.03 ± 1.28

−2.11 ± 1.63

−2.29 ± 1.18

3.056

0.053

0.078

FCz amplitude (μV)

−2.65 ± 1.24

−1.76 ± 1.32

−1.98 ± 0.92

3.629

0.032

0.095

H > I

Fz latency (ms)

142.90 ± 25.83

137.03 ± 22.82

130.91 ± 22.57

0.820

0.445

0.022

FCz latency (ms)

141.10 ± 24.02

136.00 ± 21.69

133.90 ± 21.60

0.687

0.506

0.020