Table 2 Spatial matching results in terms of spatial correlation coefficients corrA and corrP calculated by Eqs.(10) and (11) with the setting of B0 = 3 T, bfrac = 2%, radii = 2 and 4 μm, TE = 1 and 30 ms for three image resolutions (voxel sizes)
From: Volumetric BOLD fMRI simulation: from neurovascular coupling to multivoxel imaging
|  | 2- μm-radius vessels | 4- μm-radius vessels | ||||||
|---|---|---|---|---|---|---|---|---|
| Â | TE = 1 ms | TE = 30 ms | TE = 1 ms | TE = 30 ms | ||||
Voxel size(μm3) | corrA | corrP | corrA | corrP | corrA | corrP | corrA | corrP |
32 × 32 × 32 | 0.867 | 1.000 | 0.885 | 0.998 | 0.834 | 1.000 | 0.854 | 0.998 |
64 × 64 × 64 | 0.883 | 1.000 | 0.899 | 0.999 | 0.871 | 1.000 | 0.887 | 0.999 |
128 × 128 × 128 | 0.892 | 1.000 | 0.907 | 0.999 | 0.898 | 1.000 | 0.910 | 0.999 |