Table 4.
Correlation matrix of response-locked an feedback-locked ERP measures per round.
| Second negativity effect | FRN effect | Parieto-occipital P3 effect | |||||||
|---|---|---|---|---|---|---|---|---|---|
| R1 | R2 | R3 | R1 | R2 | R3 | R1 | R2 | R3 | |
| ERN effect R1 | 0.53** | 0.46* | 0.06 | 0.07 | 0.56** | 0.20 | 0.26 | 0.22 | 0.25 |
| ERN effect R2 | 0.03 | −0.02 | −0.10 | 0.03 | 0.26 | −0.02 | 0.13 | 0.17 | 0.15 |
| ERN effect R3 | −0.04 | 0.30 | 0.53** | 0.04 | 0.27 | 0.61*** | 0.52* | 0.52* | 0.70*** |
Significance level:
***
<0.006; levels of
**
< 0.01,
*
<0.05 were not significant with the Bonferroni correction, N = 23. ERN, second negativity and FRN effects reflect difference measures based on electrode Fz.