Table 8.
Correlation between cognitive measures and variability of synchronization errors during bimanual tapping.
| Variability of synchronization errors/Cognitive measures | DSF r (p) | DSB r (p) | TMT-A r (p) | TMT-B r (p) |
|---|---|---|---|---|
| Simultaneous tapping | ||||
| -20% tempo | -0.71∗∗∗ (<0.001) | -0.56∗∗∗ (<0.001) | 0.59∗∗∗ (<0.001) | 0.67∗∗∗ (<0.001) |
| -10% tempo | -0.74∗∗∗ (<0.001) | -0.60∗∗∗ (<0.001) | 0.59∗∗∗ (<0.001) | 0.65∗∗∗ (<0.001) |
| Baseline | -0.60∗∗∗ (<0.001) | -0.63∗∗∗ (<0.001) | 0.50∗∗∗ (<0.001) | 0.61∗∗∗ (<0.001) |
| +10% tempo | -0.60∗∗∗ (<0.001) | -0.55∗∗∗ (<0.001) | 0.48∗∗∗ (<0.001) | 0.56∗∗∗ (<0.004) |
| +20% tempo | -0.55∗∗∗ (<0.001) | -0.42∗∗ (0.001) | 0.39∗∗ (0.002) | 0.49∗∗∗ (<0.001) |
| Alternative tapping | ||||
| -20% tempo | -0.80∗∗∗ (<0.001) | -0.73∗∗∗ (<0.001) | 0.70∗∗∗ (<0.001) | 0.74∗∗∗ (<0.001) |
| -10% tempo | -0.70∗∗∗ (<0.001) | -0.68∗∗∗ (<0.001) | 0.58∗∗∗ (<0.001) | 0.65∗∗∗ (<0.001) |
| Baseline | -0.55∗∗∗ (<0.001) | -0.47∗∗∗ (<0.001) | 0.48∗∗∗ (<0.001) | 0.57∗∗∗ (<0.001) |
| +10% tempo | -0.63∗∗∗ (<0.001) | -0.63∗∗∗ (<0.001) | 0.58∗∗∗ (< 0.001) | 0.65∗∗∗ (< 0.001) |
| +20% tempo | -0.56∗∗∗ (<0.001) | -0.55∗∗ (0.002) | 0.50∗∗∗ (<0.001) | 0.59∗∗∗ (<0.001) |
Dark gray and bolded values indicates the case with correlation coefficient over 0.70 and light gray indicates the case with correlation coefficient between 0.60 and 0.70. ∗∗p < 0.01, ∗∗∗p < 0.001.