Stereotaxic template |
MNI-ICBM, ADNI, Colin27 |
NMT |
Stereotaxic voxel sampling |
0.50 or 1.0 mm |
0.25 or 0.50 mm |
Volumetric registration (fwhm, simplex, sampling) |
length scale 1.0 |
length scale 0.4 |
Neck cropping (headheight) |
175 mm |
50 mm |
Masking (search distance) |
length scale 1.0 |
length scale 0.4 |
Non-uniformity corrections |
spline distance 125 (3T) |
spline distance 50 (4.7T) |
Classification |
priors on human template |
priors on NMT |
Segmented masks (brainstem, ventricles, cerebellum, etc.) |
on human template |
on NMT |
Surface extraction (fwhm, gradient, dilation/erosion) |
length scale 1.0 |
length scale 0.4 |
Surface resolution |
40,962 or 163,842 vertices |
40,962 or 163,842 vertices |
Cortical thickness method |
tlink, tlaplace, tfs |
tlink, tlaplace, tfs |
Cortical thickness blurring |
30 mm fwhm |
8mm fwhm |
Surface registration (fwhm) |
length scale 1.0 |
length scale 0.4 |
Surface parcellation |
AAL, DKT, lobes |
CHARM, D99, lobes |