Table 2 Findings of correlation analyses between P300 variables and the interference Stroop-test performance in SCA2 patient and preclinical carriers
Variables | SCA2 patients | Preclinical carriers | ||||||
|---|---|---|---|---|---|---|---|---|
Stroop interference time | Stroop interference errors | Stroop interference time | Stroop interference errors | |||||
r | p | r | p | r | p | r | p | |
V-Lat Cz | 0.50 | 0.006 | 0.25 | 0.209 | 0.63 | 0.003 | -0.13 | 0.582 |
V-Amp Cz | -0.23 | 0.246 | -0.10 | 0.624 | -0.48 | 0.034 | -0.03 | 0.890 |
V-Lat Pz | 0.51 | 0.006 | 0.22 | 0.259 | 0.64 | 0.003 | -0.12 | 0.618 |
V-Amp Pz | -0.26 | 0.181 | -0.13 | 0.500 | -0.47 | 0.035 | -0.04 | 0.865 |
A-Lat Cz | 0.56 | 0.002 | 0.31 | 0.108 | 0.48 | 0.031 | 0.22 | 0.364 |
A-Amp Cz | -0.38 | 0.046 | -0.20 | 0.309 | -0.48 | 0.034 | -0.05 | 0.840 |
A-Lat Pz | 0.61 | 0.001 | 0.32 | 0.094 | 0.19 | 0.414 | -0.05 | 0.819 |
A-Amp Pz | -0.42 | 0.025 | -0.22 | 0.257 | -0.17 | 0.477 | 0.25 | 0.284 |