Table 5. Student t-values from planned contrasts testing
for the presence of PPI (0 vs. 360-ms SOA) and refractoriness (60- vs. 360-ms
SOA) on factor scores and base-to-peak amplitudes for midline ERP components.
|
|
Factor Scoresa |
Base-to-Peak Amplitudesb |
||
Component |
Lead |
PPI |
Refractoriness |
PPI |
Refractoriness |
Midline |
|||||
N19 |
Fz Cz |
<1 <1 |
<1 <1 |
1.01 1.17 |
<1 <1 |
P30 |
Fz Cz |
<1 <1 |
<1 <1 |
1.36 <1 |
1.81 <1 |
N40 |
Fz Cz |
2.69* 3.06** |
2.08 3.01** |
<1 3.77** |
<1 3.25** |
P50 |
Fz Cz |
3.06** 6.24** |
2.54* 2.15* |
2.37* 4.09** |
1.98 2.10* |
N100 (C3) |
Fz Cz |
— — |
— — |
4.06** 5.63** |
<1 2.72** |
P200 |
Fz Cz |
— — |
— — |
4.95** 11.30** |
3.98** 6.47** |
Lateral |
|||||
C1 |
F8 T4/6 |
— — |
— |
1.21 <1 |
2.64* <1 |
C2 |
F8 T4/6 |
— — |
— — |
3.87** 4.22** |
<1 2.29* |
*p < .05. **p < .01.
adf=35.
bdf=12 (N19), 22 (P30), 18 (N40), 28 (P50), 35 (N100, P200).