Table 6. Initial dip characteristic parameters of MA, MC, PS, RHFT, RHFP, and checkerboard tasks.
| Activity | Initial dip peak time to (sec) | Initial dip duration tinit (sec) | Initial dip peak δ (10−4) |
|---|---|---|---|
| Mental arithmetic (MA) (prefrontal cortex) |
2.17 | 4.03 | −0.57305 |
| Mental counting (MC) (prefrontal cortex) |
2.17 | 3.90 | −0.17864 |
| Puzzle solving (PS) (prefrontal cortex) |
2.30 | 4.22 | −0.32500 |
| Right-hand index finger tapping (RHFT) (motor cortex) |
1.98 | 3.58 | −0.89529 |
| Right-hand index finger poking (RHFP) (somatosensory cortex) |
- | - | - |
| Checkerboard (visual cortex) |
2.17 | 3.90 | −0.64863 |