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Table 3. 

Mean Amplitudes (μV) of P1, N1, and N2, P3 Components (Standard Deviation in Parentheses) for Go and No-go Trials


P1 (Fz)
N1 (Fz)
N2 (Fz)
N2 (Cz)
P3 (Pz)
Go Trials 
T+S+ −0.69 (2.85) −4.96** (3.19) −3.41** (3.52) −3.86** (3.65) 6.81** (3.17) 
T+S− −0.62 (1.76) −5.63** (3.05) −4.09** (3.00) −4.01** (3.93) 5.68** (3.40) 
T−S+ 0.34 (2.03) −5.39** (2.36) −2.73** (2.53) −3.53** (3.00) 4.59** (3.30) 
T−S− −0.07 (1.25) −3.72** (3.14) −3.19** (3.22) −3.69* (3.94) 5.22** (3.28) 
 
No-go Trials 
T+S+ −1.21 (2.43) −5.08** (2.86) −4.64** (2.6) −2.74** (2.68) 1.52* (1.85) 
T+S− −0.71 (2.02) −4.34** (1.88) −4.12** (1.81) −1.86** (1.87) 0.96 (2.26) 
T−S+ 0.13 (1.00) −3.72** (1.33) −2.7** (2.28) −1.68* (2.04) 0.23 (1.78) 
T−S− 0.81 (1.53) −2.62** (1.96) −1.88* (2.31) −0.99 (2.13) 0.90 (1.65) 

P1 (Fz)
N1 (Fz)
N2 (Fz)
N2 (Cz)
P3 (Pz)
Go Trials 
T+S+ −0.69 (2.85) −4.96** (3.19) −3.41** (3.52) −3.86** (3.65) 6.81** (3.17) 
T+S− −0.62 (1.76) −5.63** (3.05) −4.09** (3.00) −4.01** (3.93) 5.68** (3.40) 
T−S+ 0.34 (2.03) −5.39** (2.36) −2.73** (2.53) −3.53** (3.00) 4.59** (3.30) 
T−S− −0.07 (1.25) −3.72** (3.14) −3.19** (3.22) −3.69* (3.94) 5.22** (3.28) 
 
No-go Trials 
T+S+ −1.21 (2.43) −5.08** (2.86) −4.64** (2.6) −2.74** (2.68) 1.52* (1.85) 
T+S− −0.71 (2.02) −4.34** (1.88) −4.12** (1.81) −1.86** (1.87) 0.96 (2.26) 
T−S+ 0.13 (1.00) −3.72** (1.33) −2.7** (2.28) −1.68* (2.04) 0.23 (1.78) 
T−S− 0.81 (1.53) −2.62** (1.96) −1.88* (2.31) −0.99 (2.13) 0.90 (1.65) 

Electrode used to obtain peak latency for statistical measurement is shown in parentheses.

Asterisks show results of one-sample t tests: when the mean amplitude of the ERP components was significantly greater than zero (in the positive or negative direction).

*p < .05.

**p < .01.

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