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Table 2 Mean and standard deviation values of the high frequency conductivity, \(\sigma _H\), extracellular volume fraction, \(f_{ec}\), extracellular diffusivity, \(D_{ec}\), extracellular ion concentration, \({\bar{c}}_{ec}\), and extracellular conductivity, \(\sigma _{ec}\) within ROI for different noise levels of (\(\hbox {SNR}_P\), \(\hbox {SNR}_D\))

From: Decomposition of high-frequency electrical conductivity into extracellular and intracellular compartments based on two-compartment model using low-to-high multi-b diffusion MRI

  (200,100) (200,50) (200,10) (100,100) (100,50) (100,10) (50,100) (50,50) (50,10)
\(\sigma _H\) 1.00 ± 0.06 1.00 ± 0.06 1.00 ± 0.06 1.02 ± 0.12 1.02 ± 0.12 1.02 ± 0.12 1.09 ± 0.29 1.09 ± 0.29 1.09 ± 0.29
\(f_{ec}\) 0.61 ± 0.15 0.60 ± 0.16 0.70 ± 0.16 0.61 ± 0.15 0.60 ± 0.16 0.70 ± 0.16 0.61 ± 0.15 0.60 ± 0.16 0.70 ± 0.16
\(D_{ec}\) 1.42 ± 0.51 1.50 ± 0.55 1.68 ± 0.83 1.42 ± 0.51 1.50 ± 0.55 1.68 ± 0.83 1.42 ± 0.51 1.50 ± 0.55 1.68 ± 0.83
\({\bar{c}}_{ec}\) 0.70 ± 0.17 0.68 ± 0.18 0.72 ± 0.34 0.71 ± 0.19 0.69 ± 0.20 0.73 ± 0.34 0.76 ± 0.29 0.74 ± 0.28 0.78 ± 0.38
\(\sigma _{ec}\) 0.56 ± 0.16 0.55 ± 0.16 0.67 ± 0.16 0.57 ± 0.17 0.56 ± 0.17 0.68 ± 0.17 0.61 ± 0.23 0.60 ± 0.24 0.72 ± 0.23