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Spectra from 309 subjects (161 male, 148 female) are included in these analyses
| Spectra | M/F | |
|---|---|---|
| Parietal/occipital GM | 211 | 111/100 |
| Parietal WM | 178 | 97/81 |
| Frontal WM | 46 | 24/22 |
| Deep gray nuclei | 33 | 17/16 |
| Brainstem | 25 | 20/5 |
The total number of spectra is 493 with 269 spectra acquired from male subjects and 224 spectra from female subjects. The number of spectra for each location varies because scan protocols did not always include every region of interest.
