Table 4.
Cingulum-specific tractography parameters and rs-fMRI z-scores used for the assessment of inter-subject variability.
| Subjects | τ | s | θ | δmin | δmax | z-score |
|---|---|---|---|---|---|---|
| S1 | 0.13 | 0.6 | 40 | 90 | 200 | 4.20 |
| S2 | 0.20 | 1.0 | 30 | 100 | 200 | 4.10 |
| S3 | 0.16 | 1.2 | 30 | 107 | 200 | 4.20 |
| S4 | 0.20 | 1.0 | 35 | 90 | 200 | 4.00 |
| S5 | 0.15 | 0.8 | 50 | 110 | 200 | 4.60 |
| S6 | 0.15 | 0.5 | 35 | 60 | 200 | 4.00 |
| S7 | 0.20 | 1.2 | 31 | 80 | 200 | 4.05 |
| S8 | 0.13 | 0.7 | 30 | 160 | 200 | 3.20 |
| S9 | 0.19 | 1.0 | 20 | 60 | 200 | 4.80 |
| S10 | 0.26 | 0.6 | 45 | 100 | 200 | 4.00 |
| Avg. | 0.18 | 0.9 | 35 | 96 | 200 | 4.12 |
| Std. | 0.04 | 0.3 | 9 | 29 | 0 | 0.42 |
Parameters: τ, FA threshold; s, step size; θ, maximum angle; δmin, minimum streamline length; δmax, maximum streamline length (fixed); z-score, minimum rs-fMRI Z threshold. (Avg: average, Std: standard deviation).