Background
Methods
Sample
Subjects (n) | School levela | Agea | Intelligence quotienta | |
---|---|---|---|---|
Women | 44 | 12.44 ± 2.46 | 38.75 ± 9.95 | 91.14 ± 11.87 |
Men | 40 | 11.78 ± 2.44 | 31.00 ± 8.97 | 90.72 ± 11.44 |
Total | 84 | 12.12 ± 2.46 | 35.06 ± 10.21 | 90.94 ± 11.60 |
Acquisition of images
Processing diffusion weighted images
Estimation of the diffusion tensor and fiber tracking
Definition of ROIs in standard space and space transformation procedure to each subject anatomical space
Parameter estimation
Statistical analysis
Results
Reconstruction of the tracts of interest
Characterization of reconstructed tracts
Volume (cm3)a | FAa | MD (×10−3mm2s−1)a | ||
---|---|---|---|---|
Anterior thalamic radiation (ATR) | Left | 16.18 ± 6.04 | 0.44 ± 0.07 | 0.63 ± 0.14 |
Right | 11.93 ± 4.43 | 0.48 ± 0.08 | 0.59 ± 0.15 | |
Cingulate gyrus associated cingulum (CGC) | Left | 6.62 ± 3.00 | 0.42 ± 0.07 | 0.58 ± 0.16 |
Right | 5.42 ± 2.97 | 0.40 ± 0.05 | 0.60 ± 0.14 | |
Hippocampal gyrus associated cingulum (CGH) | Left | 5.69 ± 3.11 | 0.36 ± 0.09 | 0.68 ± 0.21 |
Right | 6.52 ± 4.30 | 0.35 ± 0.08 | 0.70 ± 0.19 | |
Cortico-spinal tract (CST) | Left | 5.93 ± 3.39 | 0.56 ± 0.08 | 0.64 ± 0.15 |
Right | 5.13 ± 3.07 | 0.58 ± 0.10 | 0.62 ± 0.18 | |
Forceps major (Fmj) | 22.98 ± 9.89 | 0.52 ± 0.06 | 0.61 ± 0.16 | |
Forceps minor (Fmn) | 38.27 ± 10.90 | 0.45 ± 0.07 | 0.62 ± 0.17 | |
Inferior fronto-occipital fasciculus (IFOF) | Left | 23.88 ± 8.59 | 0.48 ± 0.09 | 0.58 ± 0.16 |
Right | 26.96 ± 8.18 | 0.45 ± 0.07 | 0.60 ± 0.15 | |
Inferior longitudinal fasciculus (ILF) | Left | 12.59 ± 5.54 | 0.47 ± 0.09 | 0.59 ± 0.17 |
Right | 9.97 ± 4.57 | 0.46 ± 0.09 | 0.60 ± 0.15 | |
Superior longitudinal fasciculus (SLF) | Left | 16.87 ± 5.79 | 0.47 ± 0.09 | 0.54 ± 0.16 |
Right | 12.40 ± 6.22 | 0.46 ± 0.08 | 0.55 ± 0.15 | |
Uncinate fasciculus (UNC) | Left | 7.81 ± 3.37 | 0.37 ± 0.08 | 0.62 ± 0.17 |
Right | 7.11 ± 3.74 | 0.38 ± 0.07 | 0.63 ± 0.17 |