Table 3.
White Matter Clusters Showing a Positive Association Between Age and Fractional Anisotropy in a Meta-Analysis of Studies on Healthy Adolescent Development (Zucker Hillside data not included)
| Cluster | Peak-Coordinate (MNI x, y, z) | Cluster Size (voxels) | Z-value | P-Valuea (uncorrected) | White Matter Area/Tract |
| 1 | 41, −20, 33 | 79 | 3.9 | <.00001 | Superior Longitudinal Fasciculus, Right |
| 2 | −37, −15, 27 | 71 | 3.6 | .00001 | Superior Longitudinal Fasciculus, Left |
| 3 | 48, −19, −20 | 33 | 3.4 | .00008 | Inferior Longitudinal Fasciculus, Right |
| 4 | −16, 16, −2 | 22 | 3.3 | .00015 | Anterior Limb of Internal Capsule/Anterior Thalamic Radiation, Left |
| 5 | −45, −12, −27 | 28 | 3.2 | .00033 | Inferior Longitudinal Fasciculus, Left |
| 6 | 12, 2, 5 | 17 | 3.1 | .00071 | Posterior and Anterior Limbs of Internal Capsule/Anterior Thalamic Radiation, Right |
| 7 | −9, 7, 27 | 11 | 3.0 | .00119 | Cingulate/Corpus Callosum, Left |
| 8 | −16, −7, 4 | 15 | 2.9 | .00171 | Posterior Limb of Internal Capsule, Left |
a
P values were obtained with a permutation test.