Skip to Main Content
Table 1. 
The Results of Single-Trial GAMM Analysis Based on α Power after the Second Keypress
Parametric CoefficientsEstimateStd. Errort Valuep Value
Intercept 0.0042 0.0086 0.4870 .6262 
  
Smooth TermsedfRef.dfF Valuep Value
s(FOJ) 1.0000 1.0001 22.9395 <.0001* 
s(SOJ) 1.0000 1.0001 0.3052 .5807 
s(SOJ accuracy) 1.0001 1.0002 0.0775 .7809 
ti(FOJ × SOJ) 1.0012 1.0025 0.0019 .9650 
ti(FOJ × SOJ Accuracy) 1.0009 1.0018 3.9561 .0466 
s(participant) 0.0012 11.0000 0.0000 .9999 
GAMM analysis: R2-locked α power, FOJ cluster, full model 
Parametric CoefficientsEstimateStd. Errort Valuep Value
Intercept 0.0042 0.0086 0.4870 .6262 
  
Smooth TermsedfRef.dfF Valuep Value
s(FOJ) 1.0000 1.0001 22.9395 <.0001* 
s(SOJ) 1.0000 1.0001 0.3052 .5807 
s(SOJ accuracy) 1.0001 1.0002 0.0775 .7809 
ti(FOJ × SOJ) 1.0012 1.0025 0.0019 .9650 
ti(FOJ × SOJ Accuracy) 1.0009 1.0018 3.9561 .0466 
s(participant) 0.0012 11.0000 0.0000 .9999 
GAMM analysis: R2-locked α power, FOJ cluster, full model 

The table displays the results of the model that was based on the data collapsed across the significant sensors, showing the main effect of FOJ, when the model was fitted on a per-sensor basis. Although FOJ × SOJ Accuracy reached significance level in the refitted model, it was not significant in the first step where model was assessed for each individual sensor and p values were corrected (see Single-trial analysis).

The asterisk signifies the factors that were significant after false discovery rate correction, applied after the same model was fitted for every sensor separately.

Close Modal

or Create an Account

Close Modal
Close Modal