Table 8.
Summary of the correlations between the ERP and cognitive skill measures in the Finnish sample (N=38).
| ERP stimuli | Cognitive measure | Topography | Time window (ms) |
Pearson correlation coefficient |
95 % confiden ce interval |
p-value |
|---|---|---|---|---|---|---|
| Ga | Reading speed | Right fronto-central | 664–998 | −0.478 | −0.692–(−0.187) | <0.004 |
| Ga | Reading accuracy | Fronto-central | 2–250 | −0,617 | −0.782–(−0.370) | <0.026 |
| Ga | Phoneme deletion | Parieto-occipital | 200–370 | 0,625 | 0.381–0.787 | <0.046 |
| Da | Reading speed | Parieto-occipital | 480–722 | −0.487 | −0.698–(−0.199) | <0.036 |
| Intermediate Atta | Digit span | Fronto-central | 372–816 | −0.442 | −0.667–(−0.142) | <0.049 |
| Difference wave: Ga | Rapid automatic naming, time | Temporo-occipital | 434–662 | 0.598 | 0.345–0.771 | <0.030 |
| Difference wave: intermediate Atta | Phoneme deletion | Right parieto-occipital | 200–466 | −0.662 | −0.810–(−0.434) | <0.019 |
| Difference wave: intermediate Atta | Non-word repetition | Central | 308–746 | −0.525 | −0.723–(−0.247) | <0.010 |
| Difference wave: long Atta | Reading accuracy | Fronto-central | 514–788 | −0.557 | −0.744–(−0.289) | p<0.020 |