Table 3.
Volumes of segmented and mapped white matter structures and total brain volume (left and right hemisphere values combined) calculated by using FACT, Runge-Kutta, Interpolated Streamline and Tensorline fiber tract segmentation methods compared with anatomical, histological measurements.
| Name of structures | FACT (mm3) | Histology (mm3) | Difference (mm3) | Difference % |
|---|---|---|---|---|
| ac/aci/acp | 6.72 | 5.99 | 0.73 | 11.49 |
| cc/ec/fmi/dcw/alv | 69.75 | 67.59 | 2.16 | 3.15 |
| cg | 2.56 | 4.27 | −1.71 | −50.07 |
| fi/f/vhc | 20.62 | 17.53 | 3.09 | 16.20 |
| fr | 1.03 | 0.59 | 0.44 | 54.32 |
| ic/cp/py/lfp | 23.59 | 24.17 | −0.58 | −2.43 |
| lo | 5.23 | 7.44 | −2.21 | −34.89 |
| ml | 4.58 | 5.29 | −0.71 | −14.39 |
| mlf | 2.18 | 2.4 | −0.22 | −9.61 |
| mt | 0.52 | 0.64 | −0.12 | −20.69 |
| opt/och | 12.71 | 7.99 | 4.72 | 45.60 |
| sm/st | 3.67 | 3.44 | 0.23 | 6.47 |
| total brain | 2290.12 | 1645.55 | 644.57 | 32.76 |
| Name of structures | Runge Kutta (mm3) | Histology (mm3) | Difference (mm3) | Difference % |
| ac/aci/acp | 7.5 | 5.99 | 1.51 | 22.39 |
| cc/ec/fmi/dcw/alv | 83.47 | 67.59 | 15.88 | 21.02 |
| cg | 2.86 | 4.27 | −1.41 | −39.55 |
| fi/f/vhc | 26.26 | 17.53 | 8.73 | 39.87 |
| fr | 1.21 | 0.59 | 0.62 | 68.89 |
| ic/cp/py/lfp | 31.17 | 24.17 | 7 | 25.30 |
| lo | 5.72 | 7.44 | −1.72 | −26.14 |
| ml | 6.96 | 5.29 | 1.67 | 27.27 |
| mlf | 2.49 | 2.4 | 0.09 | 3.68 |
| mt | 0.76 | 0.64 | 0.12 | 17.14 |
| opt/och | 14.31 | 7.99 | 6.32 | 56.68 |
| sm/st | 5.08 | 3.44 | 1.64 | 38.50 |
| total brain | 2290.12 | 1645.55 | 644.57 | 32.76 |
| Name of structures | Interpolated Streamline (mm3) | Histology (mm3) | Difference (mm3) | Difference % |
| ac/aci/acp | 8.16 | 5.99 | 2.17 | 30.67 |
| cc/ec/fmi/dcw/alv | 91.27 | 67.59 | 23.68 | 29.81 |
| cg | 2.96 | 4.27 | −1.31 | −36.24 |
| fi/f/vhc | 27.49 | 17.53 | 9.96 | 44.25 |
| fr | 1.31 | 0.59 | 0.72 | 75.79 |
| ic/cp/py/lfp | 37.4 | 24.17 | 13.23 | 42.98 |
| lo | 6.06 | 7.44 | −1.38 | −20.44 |
| ml | 13.02 | 5.29 | 7.73 | 84.43 |
| mlf | 2.77 | 2.4 | 0.37 | 14.31 |
| mt | 0.93 | 0.64 | 0.29 | 36.94 |
| opt/och | 14.41 | 7.99 | 6.42 | 57.32 |
| sm/st | 5.3 | 3.44 | 1.86 | 42.56 |
| total brain | 2290.12 | 1645.55 | 644.57 | 32.76 |
| Name of structures | Tensorline (mm3) | Histology (mm3) | Difference (mm3) | Difference % |
| ac/aci/acp | 9.01 | 5.99 | 3.02 | 40.27 |
| cc/ec/fmi/dcw/alv | 111.92 | 67.59 | 44.33 | 49.39 |
| cg | 3.5 | 4.27 | −0.77 | −19.82 |
| fi/f/vhc | 39.29 | 17.53 | 21.76 | 76.59 |
| fr | 1.59 | 0.59 | 1 | 91.74 |
| ic/cp/py/lfp | 48.72 | 24.17 | 24.55 | 67.36 |
| lo | 6.88 | 7.44 | −0.56 | −7.82 |
| ml | 17.57 | 5.29 | 12.28 | 107.44 |
| mlf | 3.19 | 2.4 | 0.79 | 28.26 |
| mt | 1.33 | 0.64 | 0.69 | 70.05 |
| opt/och | 16.61 | 7.99 | 8.62 | 70.08 |
| sm/st | 7.71 | 3.44 | 4.27 | 76.59 |
| Total brain | 2290.12 | 1645.55 | 644.57 | 32.76 |