Family: gaussian 
Link function: identity 

Formula:
AF3 ~ GRxERP + s(time, by = GRxERP) + s(trial) + s(KI, bs = "re", 
    m = 1)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)  
(Intercept)   0.5824     0.2443   2.384   0.0171 *
GRxERPR.ST      0.1831     0.3631   0.504   0.6141  
GRxERPE.DV     -0.1369     0.2420  -0.566   0.5716  
GRxERPR.DV      0.4772     0.3629   1.315   0.1885  
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Approximate significance of smooth terms:
                    edf Ref.df      F  p-value    
s(time):GRxERPE.ST  8.777  8.989 71.409  < 2e-16 ***
s(time):GRxERPR.ST  8.740  8.986 54.137  < 2e-16 ***
s(time):GRxERPE.DV  8.731  8.985 62.181  < 2e-16 ***
s(time):GRxERPR.DV  8.638  8.972 54.029  < 2e-16 ***
s(trial)          1.052  1.102  1.074    0.289    
s(KI)            15.351 22.000  2.340 1.68e-07 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0239   Deviance explained =  2.4%
fREML = 3.197e+06  Scale est. = 94.013    n = 1986542

Family: gaussian 
Link function: identity 

Formula:
AF4 ~ GRxERP + s(time, by = GRxERP) + s(trial) + s(KI, bs = "re", 
    m = 1)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept)   0.7658     0.2424   3.160  0.00158 **
GRxERPR.ST      0.3355     0.3604   0.931  0.35181   
GRxERPE.DV     -0.2086     0.2481  -0.841  0.40048   
GRxERPR.DV      0.3732     0.3602   1.036  0.30005   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Approximate significance of smooth terms:
                    edf Ref.df      F  p-value    
s(time):GRxERPE.ST  8.791  8.991 76.308  < 2e-16 ***
s(time):GRxERPR.ST  8.759  8.988 59.575  < 2e-16 ***
s(time):GRxERPE.DV  8.643  8.973 59.693  < 2e-16 ***
s(time):GRxERPR.DV  8.709  8.982 56.529  < 2e-16 ***
s(trial)          1.014  1.029  0.996     0.32    
s(KI)            14.718 22.000  2.026 2.25e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0218   Deviance explained = 2.19%
fREML = 3.2077e+06  Scale est. = 97.404    n = 1986542

Family: gaussian 
Link function: identity 

Formula:
C3 ~ GRxERP + s(time, by = GRxERP) + s(trial) + s(KI, bs = "re", 
    m = 1)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept)  0.69586    0.22123   3.145  0.00166 **
GRxERPR.ST     0.16985    0.32842   0.517  0.60504   
GRxERPE.DV    -0.07938    0.20311  -0.391  0.69593   
GRxERPR.DV     0.15068    0.32826   0.459  0.64621   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Approximate significance of smooth terms:
                    edf Ref.df      F  p-value    
s(time):GRxERPE.ST  8.833  8.994 78.081  < 2e-16 ***
s(time):GRxERPR.ST  8.733  8.985 57.972  < 2e-16 ***
s(time):GRxERPE.DV  8.690  8.980 62.614  < 2e-16 ***
s(time):GRxERPR.DV  8.605  8.967 52.602  < 2e-16 ***
s(trial)          3.836  4.744  2.202    0.077 .  
s(KI)            16.565 23.000  2.827 1.43e-09 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0257   Deviance explained = 2.57%
fREML = 2.8266e+06  Scale est. = 65.685    n = 1986542

Family: gaussian 
Link function: identity 

Formula:
C4 ~ GRxERP + s(time, by = GRxERP) + s(trial) + s(KI, bs = "re", 
    m = 1)

Parametric coefficients:
            Estimate Std. Error t value Pr(>|t|)   
(Intercept)  0.54439    0.20627   2.639  0.00831 **
GRxERPR.ST     0.54611    0.30664   1.781  0.07492 . 
GRxERPE.DV    -0.01125    0.20922  -0.054  0.95711   
GRxERPR.DV     0.35216    0.30646   1.149  0.25050   
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Approximate significance of smooth terms:
                    edf Ref.df      F  p-value    
s(time):GRxERPE.ST  8.802  8.992 70.713  < 2e-16 ***
s(time):GRxERPR.ST  8.734  8.985 63.296  < 2e-16 ***
s(time):GRxERPE.DV  8.635  8.972 57.779  < 2e-16 ***
s(time):GRxERPR.DV  8.424  8.932 51.035  < 2e-16 ***
s(trial)          1.390  1.681  0.483    0.457    
s(KI)            14.899 24.000  1.921 1.33e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0219   Deviance explained = 2.19%
fREML = 2.7358e+06  Scale est. = 65.992    n = 1986542