. Author manuscript; available in PMC: 2009 Nov 25.

Published in final edited form as: Magn Reson Imaging. 2008 May 7;26(7):897–904. doi: 10.1016/j.mri.2008.01.042

Table 1.

Biexponential diffusion coefficients and slow diffusion relative size fraction values measured in gray and white matter regions of interest of four normal volunteers.

Tissue (N=4)	D_f [μm²/ms]	D_s [μm²/ms]	f_s []
Cortical GM next to CSF	1.479±0.166	0.466±0.017	0.510±0.012
Cortical GM next to WM	1.142±0.106	0.338±0.027	0.378±0.038
Thalamus	1.320±0.164	0.271±0.040	0.383±0.069
Putamen/Globus Pallidum	1.069±0.039	0.257±0.026	0.352±0.028
Frontal WM	1.155±0.046	0.125±0.014	0.301±0.050
Internal Capsule WM	1.215±0.024	0.183±0.009	0.363±0.020

GM: Gray Matter; WM: White Matter; CSF: Cerebro Spinal Fluid

D_f: Fast Diffusion Coefficient; D_s: Slow Diffusion Coefficient

f_s: Slow Diffusion Component Relative Size Fraction