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)   0.5285     0.2457   2.152   0.0314 *
GRxERPR.ST      0.4140     0.3496   1.184   0.2364  
GRxERPE.DV      0.1493     0.2526   0.591   0.5546  
GRxERPR.DV      0.2271     0.3495   0.650   0.5158  
---
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  8.792  8.991 65.237  < 2e-16 ***
s(time):GRxERPR.ST  8.743  8.986 59.366  < 2e-16 ***
s(time):GRxERPE.DV  8.845  8.995 75.698  < 2e-16 ***
s(time):GRxERPR.DV  8.796  8.991 75.762  < 2e-16 ***
s(trial)          1.042  1.083 12.169 0.000346 ***
s(KI)            14.624 22.000  1.951 4.63e-06 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0237   Deviance explained = 2.37%
fREML = 3.1695e+06  Scale est. = 93.419    n = 1990838

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)  0.65116    0.22600   2.881  0.00396 **
GRxERPR.ST     0.59045    0.32208   1.833  0.06677 . 
GRxERPE.DV    -0.01597    0.25731  -0.062  0.95050   
GRxERPR.DV     0.20468    0.32192   0.636  0.52489   
---
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  8.799  8.991 71.173 < 2e-16 ***
s(time):GRxERPR.ST  8.788  8.990 65.154 < 2e-16 ***
s(time):GRxERPE.DV  8.827  8.994 71.580 < 2e-16 ***
s(time):GRxERPR.DV  8.806  8.992 79.392 < 2e-16 ***
s(trial)          1.671  2.079  6.630 0.00122 ** 
s(KI)            12.035 23.000  1.148 0.00101 ** 
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0216   Deviance explained = 2.17%
fREML = 3.1815e+06  Scale est. = 96.069    n = 1990838

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)  0.49183    0.26313   1.869   0.0616 .
GRxERPR.ST     0.46179    0.37358   1.236   0.2164  
GRxERPE.DV    -0.01896    0.21120  -0.090   0.9285  
GRxERPR.DV     0.40153    0.37348   1.075   0.2823  
---
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  8.780  8.990 64.896  < 2e-16 ***
s(time):GRxERPR.ST  8.782  8.990 67.198  < 2e-16 ***
s(time):GRxERPE.DV  8.857  8.996 69.127  < 2e-16 ***
s(time):GRxERPR.DV  8.841  8.995 80.816  < 2e-16 ***
s(trial)          1.711  2.131  7.571 0.000371 ***
s(KI)            18.120 24.000  4.051 3.97e-15 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0272   Deviance explained = 2.72%
fREML = 2.8118e+06  Scale est. = 65.284    n = 1990838

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)   0.6304     0.2354   2.678  0.00741 **
GRxERPR.ST      0.4379     0.3346   1.308  0.19071   
GRxERPE.DV     -0.2038     0.2158  -0.944  0.34516   
GRxERPR.DV      0.2226     0.3345   0.665  0.50580   
---
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  8.768  8.989 56.859  < 2e-16 ***
s(time):GRxERPR.ST  8.749  8.987 59.689  < 2e-16 ***
s(time):GRxERPE.DV  8.813  8.993 57.735  < 2e-16 ***
s(time):GRxERPR.DV  8.822  8.993 76.004  < 2e-16 ***
s(trial)          1.243  1.446  5.652  0.00653 ** 
s(KI)            16.584 23.000  2.797 2.12e-09 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

R-sq.(adj) =  0.0214   Deviance explained = 2.14%
fREML = 2.7096e+06  Scale est. = 64.684    n = 1990838