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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Neuroimage. 2013 Apr 13;78:75–82. doi: 10.1016/j.neuroimage.2013.04.012

Table 3.

Relative CRSD of GABA+ for each decade of all subjects in the frontal region and parietal region

Age groups (years) Relative CRSD (%)
Frontal region Parietal region
21-30 5.26 ± 1.04 5.02 ± 0.90
31-40 5.37 ± 0.87 5.03 ± 1.03
41-50 5.36 ± 0.76 5.00 ± 0.85
51-60 5.49 ± 0.84 5.30 ± 1.11
61-76 5.17 ± 0.84 5.26 ± 0.85
P value 0.82a 0.76a
a

Comparison of the relative CRSD of GABA+ among all the age groups in each region.

The values are mean ± standard deviation, GABA = gamma-aminobutyric acid, GABA+ = GABA plus co-edited macromolecules, CRSD = Cramer-Rao standard deviation.