                  000 ± 00                    000 ± 00                   0.000 (0.000--0.000)   0.000 (0.000--0.000)              0.000 (0.000--0.000)                00           00                         00                          0.00                       0.00                   0.000                             0.00                                PC/GPC       000 ± 00                   00 ± 00                     000 ± 000                                                                                                            0.000 (0.000--0.000)   00           00                         00                          NS                         NS                     NS                                0.00                                MCI          000 ± 00                   000 ± 00                    000 ± 00                   0.000 (0.000--0.000)   0.000 (0.000--0.000)              0.000 (0.000--0.000)             0.000 (0.000--0.000)   00           00                         00                          0.000                      0.00                   0.000                             0.00                                tCho/(P)Cr   00 ± 00                    000 ± 00                    000 ± 00                   0.000 (0.000--0.000)                                     0.000 (0.000--0.000)                00           00                         00                          0.00                       0.00                   0.00                              NS                                 0HG, [d]{.smallcaps}-0-hydroxyglutarate; Asp, aspartate; Cho, free choline; Cr, creatine; Gly, glycine; GPC, glycerophosphocholine; GSH, glutathione; GSSG, glutathione disulfide; MCI, myo-inositol to total choline index; NS, not significant; PC, phosphocholine; PCr, phosphocreatine; PE, phosphoethanolamine; tCho, total choline (\[Cho\] + \[PC\] + \[GPC\]); tGSH, total glutathione (\[GSH\] + \[GSSG\]).  The 