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Gray matter (GM), white matter (WM), and total brain volumes (all in mL) and P values obtained by ANOVA between all three groups. NM: nonmusic; MH: music hobby; ME: music expert.
| NM | MH | ME | P value | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | ||
| GM | 676.6 | 46.3 | 697.9 | 65.8 | 685.6 | 48.1 | 0.533 |
| WM | 441.5 | 54.8 | 444.5 | 41.1 | 465.8 | 47.0 | 0.225 |
|
| |||||||
| Total | 1118.1 | 82.2 | 1142.4 | 83.9 | 1151.4 | 79.9 | 0.469 |
