Table 3.
In vivo measurements of the two-pool MT model parameters using modified CRI (mCRI), original CRI, and CRI with first-order correction.
| Regions of Interest | mCRI | Original CRI | 1st Order Correction | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| R1 (s−1) | f (%) | k (s−1) | T2B (µs) | R1 (s−1) | f (%) | k (s−1) | T2B (µs) | R1 (s−1) | f (%) | k (s−1) | |
| White Matter | |||||||||||
| Cerebral peduncle | 0.933 | 14.81 | 2.064 | 11.560 | 1.088 | 16.54 | 2.353 | 11.556 | 0.928 | 14.73 | 2.097 |
| Corona radiata | 0.894 | 13.87 | 1.979 | 11.731 | 1.032 | 15.44 | 2.247 | 11.722 | 0.889 | 13.87 | 2.019 |
| Corpus callosum, genu | 0.966 | 15.36 | 2.702 | 9.844 | 1.133 | 17.28 | 3.115 | 9.836 | 0.959 | 15.30 | 2.758 |
| Corpus callosum, splenium | 0.942 | 14.92 | 2.517 | 10.197 | 1.105 | 16.75 | 2.890 | 10.187 | 0.940 | 14.90 | 2.570 |
| Frontal white matter | 0.898 | 13.93 | 2.161 | 11.231 | 1.036 | 15.49 | 2.445 | 11.223 | 0.892 | 13.90 | 2.196 |
| Internal capsule, anterior limb | 0.932 | 13.88 | 2.327 | 10.171 | 1.085 | 15.52 | 2.651 | 10.162 | 0.934 | 13.91 | 2.378 |
| Internal capsule, posterior limb | 0.903 | 15.33 | 2.048 | 11.836 | 1.057 | 17.20 | 2.356 | 11.829 | 0.896 | 15.26 | 2.092 |
| Middle cerebrallar peduncle | 0.855 | 14.28 | 1.993 | 10.473 | 0.999 | 15.99 | 2.220 | 10.443 | 0.855 | 14.33 | 1.990 |
| Occipital white matter | 0.924 | 14.79 | 1.898 | 10.628 | 1.080 | 16.73 | 2.198 | 10.621 | 0.919 | 14.89 | 1.956 |
| Gray Matter | |||||||||||
| Cerebral cortex | 0.739 | 6.6 | 1.102 | 9.023 | 0.781 | 6.89 | 1.122 | 8.987 | 0.729 | 6.58 | 1.072 |
| Caudate nucleus | 0.655 | 6.42 | 1.321 | 9.628 | 0.702 | 6.71 | 1.380 | 9.619 | 0.657 | 6.43 | 1.322 |
| Putamen | 0.710 | 7.29 | 1.432 | 9.736 | 0.770 | 7.66 | 1.512 | 9.728 | 0.714 | 7.29 | 1.439 |
| Substantia nigra | 0.788 | 8.59 | 1.371 | 9.817 | 0.863 | 9.14 | 1.462 | 9.808 | 0.789 | 8.59 | 1.375 |
| Thalamus | 0.707 | 8.77 | 1.569 | 10.208 | 0.780 | 9.36 | 1.682 | 10.198 | 0.711 | 8.8 | 1.583 |