Table 3.
Correlations of neuropsychological tests and ERP amplitudes of N200 and P300 (at central sites) of the Chinese stroke and digit 2-back tasks in the CW group
| Chinese stroke 2-back task |
Digit 2-back task |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N200 |
P300 |
N200 |
P300 |
|||||||||
| Fz | Cz | Pz | Fz | Cz | Pz | Fz | Cz | Pz | Fz | Cz | Pz | |
| CTT (part 1) | ||||||||||||
| Time | 0.42 | 0.43 | – | – | – | – | 0.40 | 0.51 | – | 0.44 | – | – |
| Calligraphy performance | ||||||||||||
| 1 | – | 0.57 | – | 0.61 | – | – | 0.54 | – | 0.67 | 0.55 | – | – |
| 2 | 0.55 | 0.57 | 0.66 | 0.71 | – | 0.69 | – | – | – | 0.66 | – | – |
| 3 | – | – | – | – | – | – | – | – | – | – | – | – |
| 4 | – | – | – | 0.74 | 0.62 | 0.54 | – | – | – | 0.73 | – | – |
| 5 | – | – | 0.57 | – | – | – | – | – | 0.58 | – | – | – |
CTT, Color Trails Test; 1, quality of learning basic strokes; 2, quantity of learning basic strokes; 3, quality of writing basic stroke in a character; 4, quantity of writing basic stroke in a character; 5, overall quality of handwriting.