7T (32 echoes, N=12) 3T (32 echoes, N=10) 3T (64 echoes, N=10) Cho 2%±0.7% 4%±0.5% 4%±0.7% tCr-CH3 2%±0.5% 4%±0.5% 4%±0.5% NAA 1%±0.5% 2%±0.5% 2%±0.0% Glu 9%±3.6% 19%±5.0% 19%±3.4%     (N=5) (N=7) Glx 9%±4.3% 20%±5.4% 17%±3.3%     (N=6) (N=7) mI 10%±3.9% 16%±1.1% 18%±3.4%   (N=11) (N=5) (N=5) mIG 10%±3.7% 17%±2.6% 18%±3.1%   (N=11) (N=6) (N=5)

Table 4: The Cramer-Rao lower bound (CRLB) of metabolite concentrations using LCModel for the TE-averaged spectra at both 3T and 7T (mean ± SD).