Cho

tCr-CH3

NAA

3T

59±9

62±9

134±16

7T

66±24

76±29

167±39

SNR 7T : 3T

1.12

1.23

1.25

T1 effects

1.06

1.14

1.12

T2 effects

1.21

1.17

1.26

7T : 3T

1.44

1.64

1.76
Table 3: SNR values of metabolites measured at 3T and 7T (mean±SD). The SNR ratios of Cho, tCr-CH3 and NAA between 7T and 3T from the TE-averaged spectra (32 echoes) were compared with the same data after the corrections by relaxation values