Table 2.
Partial correlations between caudate and putamen volume and amplitude, relative amplitude (slope), and latency of electrophysiological motor component (CNV)
| Caudate | Putamen | |||
|---|---|---|---|---|
| Right | Left | Right | Left | |
| Amplitude | ||||
| Early | ||||
| Fz | −0.424 | −0.506 | −0.264 | −0.269 |
| Cz | −0.340 | −0.410 | −0.194 | −0.151 |
| Pz | 0.0709 | 0.035 | −0.088 | 0.058 |
| Late | ||||
| Fz | −0.313 | −0.292 | −0.387 | −0.262 |
| Cz | −0.240 | −0.329 | −0.015 | −0.077 |
| Pz | −0.041 | −0.013 | −0.344 | −0.175 |
| Latency | ||||
| Early | ||||
| Fz | −0.666** | −0.436 | −0.704** | −0.629* |
| Cz | −0.691** | −0.651* | −0.032 | −0.282 |
| Pz | −0.535 | −0.614* | −0.275 | −0.530 |
| Late | ||||
| Fz | −0.685** | −0.747** | −0.314 | 0.446 |
| Cz | −0.440 | −0.547 | −0.063 | −0.025 |
| Pz | −0.221 | −0.405 | −0.104 | −0.102 |
| Difference/Slope | ||||
| Fz | −0.041 | −0.039 | −0.286 | −0.154 |
| Cz | 0.049 | −0.025 | −0.056 | −0.169 |
| Pz | −0.286 | −0.241 | −0.781** | −0.846** |
Partial correlations controlled for age, gender, ICV, and time to scan. Time to scan computed in days from EEG baseline to MRI; N = 18; df = 12; *P < 0.05; **P < 0.01.