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. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: Int J Dev Neurosci. 2016 Dec 14;56:42–51. doi: 10.1016/j.ijdevneu.2016.12.004

Table 4.

Estimated rates of change for, and coordinates of, significant clusters of negative MIRD.

Tract Cluster Extent (%) Loc. Coord. MNI βRD,GA (%/week) βRD,SA (%/week) ΔβRD (%) MIRD p(F)min
L Motor CT 13 PLIC −25,−15,23 −1.6 −2.9 −84 −.54 .02
L Par. Post. TC 11 PLIC −25,−21,21 −1.1 −2.4 −127 −.68 <.01
L Par. Post. CF 10 CP −15,−22,−12 −1.1 −2.7 −142 −.68 .01
L Premotor CT 9 PLIC −22,−7,17 −1.6 −2.9 −81 −.53 .02
R Par. Post. TC 9 PLIC 24,−20,17 −1.3 −2.0 −62 −.45 .05
R Motor CT 9 PLIC 24,−15,17 −1.0 −2.0 −102 −.58 .06
L Optic 3 ST −29,−25,−2 −1.2 −2.3 −89 −.55 .08
R Premotor CT 3 PLIC 21,−6,15 −1.0 −2.1 −104 −.61 .09

Four clusters were identified as having a significant (p<.05) increase in explained variance when splitting up post-conceptional age into gestational age and age at scan. Four additional clusters are listed at the trend level (p<.1). All metrics are averaged across clusters unless otherwise specified. Cluster extent is expressed in percentage of length relative to the tract. TC=Thalamocortical, CF=Corticofugal, CT=Corticothalamic, PLIC=Posterior Limb Internal Capsule, ST=Stria Terminalis, CP=Cerebral Peduncle.