Table 1.
A summary of correlation (R), maximum cross-correlation (Ropt), and time delay measures between the low frequency fingertip NIRS-HbO signal and the whole brain global signal for each subject.
| Subjects | R | Ropt | Time delay (s) |
|---|---|---|---|
| S1 | 0.22 | 0.39 | 3.1 |
| S2 | 0.33 | 0.6 | −5.2 |
| S3 | 0.55 | 0.66 | 3.12 |
| S4 | 0.33 | 0.47 | −2.6 |
| S5 | 0.7 | 0.73 | 0.4 |
| S6 | 0.36 | 0.4 | −1.52 |
| S7 | −0.23 | 0.54 | 3.09 |
| S8 | 0.16 | 0.22 | 3.12 |
| S9 | 0.57 | 0.63 | 1.04 |
| Mean | 0.34 | 0.51 | 0.75 |
| STD | 0.28 | 0.16 | 4.9 |
The group mean and standard deviation (STD) are shown for each parameter.