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Average brain metabolite concentrations measured from short-echo-time STEAM spectra (n = 8), standard deviation (SD), and average Cramer–Rao lower bounds (CRLB)
| Metabolite | Concentration (µmol/g) |
SD (µmol/g) |
CRLB (%) |
|---|---|---|---|
| Asp | 2.0 | 0.4 | 11 |
| Asc | 1.1 | 0.3 | 11 |
| GPC + PC | 1.0 | 0.3 | 4 |
| Cr | 4.6 | 0.3 | 4 |
| GABA | 0.9 | 0.1 | 11 |
| Glu | 8.9 | 0.3 | 2 |
| Gln | 2.5 | 0.2 | 3 |
| GSH | 0.7 | 0.1 | 9 |
| myo-Ins | 6.3 | 0.9 | 3 |
| scyllo-Ins | 0.3 | 0.1 | 13 |
| Lac | 0.7 | 0.1 | 9 |
| NAA | 12.4 | 0.7 | 1 |
| NAAG | 1.2 | 0.2 | 6 |
| PCr | 3.9 | 0.5 | 4 |
| PE | 2.1 | 0.2 | 6 |
| Tau | 1.7 | 0.2 | 7 |
| Cr + PCr | 8.6 | 1.2 | 1 |
