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. Author manuscript; available in PMC: 2012 Feb 14.
Published in final edited form as: Neuroimage. 2010 Nov 20;54(4):2854–2866. doi: 10.1016/j.neuroimage.2010.11.047

Table 3.

Observed Signal: Mean Intensity by Region of Interest

Scan Cortical GM Cerebral WM Ventricular CSF Thalamus Putamen Caudate Cerebellar GM Cerebellar WM Brainstem
μ ± σ μ ± σ μ ± σ μ ± σ μ ± σ μ ± σ μ ± σ μ ± σ μ ± σ
FLAIR 1.05 ± 0.01 0.95 ± 0.06 0.47 ± 0.24 0.93 ± 0.04 0.92 ± 0.06 1.06 ± 0.05 1.11 ± 0.05 1.05 ± 0.08 1.04 ± 0.05
MPRAGE (Fast ADNI) 1.02 ± 0.02 1.78 ± 0.14 0.50 ± 0.28 1.82 ± 0.08 1.67 ± 0.06 1.52 ± 0.06 1.09 ± 0.06 1.83 ± 0.16 2.00 ± 0.17
DTI: Reference Image 1.06 ± 0.02 0.76 ± 0.06 2.66 ± 0.25 0.84 ± 0.06 0.76 ± 0.07 0.89 ± 0.10 1.04 ± 0.18 0.83 ± 0.12 0.90 ± 0.13
DTI: Diffusion Weighted 0.53 ± 0.03 0.43 ± 0.03 0.34 ± 0.05 0.44 ± 0.03 0.45 ± 0.04 0.50 ± 0.03 0.58 ± 0.10 0.48 ± 0.07 0.45 ± 0.07
DTI Geometric Reference 1.02 ± 0.02 0.69 ± 0.08 3.77 ± 0.62 1.08 ± 0.09 0.81 ± 0.09 1.09 ± 0.15 0.99 ± 0.07 0.77 ± 0.13 1.00 ± 0.16
Resting State fMRI 1.03 ± 0.04 0.95 ± 0.03 1.93 ± 0.24 1.17 ± 0.05 1.04 ± 0.06 1.16 ± 0.07 1.08 ± 0.12 1.09 ± 0.11 0.99 ± 0.15
B0 Magnitude (TE=8ms) 1.11 ± 0.07 1.07 ± 0.07 1.16 ± 0.20 1.47 ± 0.27 1.33 ± 0.27 0.84 ± 0.44 1.48 ± 0.75 1.60 ± 0.64 1.62 ± 0.65
B0 Magnitude (TE=9ms) 1.11 ± 0.07 1.07 ± 0.08 1.16 ± 0.19 1.47 ± 0.27 1.31 ± 0.27 0.82 ± 0.45 1.50 ± 0.74 1.62 ± 0.64 1.63 ± 0.66
B1 Magnitude 0.99 ± 0.05 1.08 ± 0.08 0.97 ± 0.23 0.97 ± 0.15 1.08 ± 0.46 0.86 ± 0.31 1.13 ± 0.10 1.10 ± 0.13 0.93 ± 0.12
Arterial Spin Labeling (ASL) 1.10 ± 0.06 0.97 ± 0.08 1.02 ± 0.22 1.19 ± 0.25 0.94 ± 0.35 0.66 ± 0.25 1.67 ± 0.73 1.61 ± 0.65 1.48 ± 0.57
VASO 1.14 ± 0.08 1.16 ± 0.21 1.45 ± 0.40 1.91 ± 0.49 1.40 ± 0.47 0.99 ± 0.40 2.01 ± 1.35 2.42 ± 1.24 2.12 ± 1.14
qT1 (15°) 1.00 ± 0.01 0.90 ± 0.02 0.78 ± 0.04 0.81 ± 0.02 0.86 ± 0.03 0.87 ± 0.02 0.92 ± 0.12 0.82 ± 0.05 0.76 ± 0.04
qT1 (60°) 1.00 ± 0.01 1.23 ± 0.02 0.68 ± 0.13 1.04 ± 0.04 1.12 ± 0.05 1.02 ± 0.04 1.06 ± 0.10 1.19 ± 0.07 1.11 ± 0.07
qT2 (dual echo: 30 ms) 1.09 ± 0.08 1.06 ± 0.07 1.29 ± 0.20 1.44 ± 0.27 1.31 ± 0.33 1.09 ± 0.35 1.29 ± 0.48 1.40 ± 0.54 1.52 ± 0.46
qT2 (dual echo: 80 ms) 0.65 ± 0.05 0.62 ± 0.05 0.80 ± 0.14 0.90 ± 0.19 0.74 ± 0.23 0.64 ± 0.21 0.78 ± 0.26 0.87 ± 0.36 0.97 ± 0.31
MT: Reference 1.09 ± 0.07 0.98 ± 0.05 1.00 ± 0.17 1.21 ± 0.24 1.18 ± 0.34 0.75 ± 0.37 1.35 ± 0.53 1.35 ± 0.44 1.31 ± 0.39
MT: 1.5 kHz 0.62 ± 0.05 0.54 ± 0.03 0.59 ± 0.11 0.70 ± 0.19 0.63 ± 0.21 0.43 ± 0.21 0.75 ± 0.24 0.74 ± 0.24 0.74 ± 0.19

Note σ is the standard deviation of mean intensities across subjects.