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. Author manuscript; available in PMC: 2009 May 1.
Published in final edited form as: Neuroimage. 2008 Jan 26;40(4):1619–1632. doi: 10.1016/j.neuroimage.2008.01.017

Table 1.

Average Regional White Matter Tract Histologic Characteristic

dCST FG RST ReST FC STT VST
Axon Diameter 0.81 ± 0.06 0.99 ± 0.06 1.16 ± 0.04 1.36 ± 0.09 1.40 ± 0.14 1.44 ± 0.11 1.82 ± 0.26
Axon Diameter Std. Dev. 0.31 ± 0.08 0.47 ± 0.06 0.71 ± 0.10 0.89 ± 0.10 0.88 ± 0.10 0.98 ± 0.18 1.40 ± 0.13
ICS Fraction 0.21 ± 0.04 0.22 ± 0.03 0.25 ± 0.04 0.27 ± 0.04 0.27 ± 0.01 0.23 ± 0.04 0.28 ± 0.06
ECS Fraction 0.35 ± 0.10 0.31 ± 0.07 0.31 ± 0.07 0.32 ± 0.06 0.27 ± 0.05 0.35 ± 0.11 0.31 ± 0.12
Myelin Fraction 0.45 ± 0.07 0.47 ± 0.05 0.43 ± 0.04 0.41 ± 0.04 0.46 ± 0.06 0.42 ± 0.08 0.41 ± 0.06
Axon Count 1670 ± 267 1101 ± 146 791 ± 122 574 ± 79 591 ± 97 436 ± 68 289 ± 78