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Demographics between stimulation groups and the total sample after preprocessing [mean, standard deviation (SD)].
| Group | Sample size | Age (SD) | Education (SD) | Sex | MoCA (SD) |
| Active | 14 | 73.57 (7.84) | 17.00 (2.45) | 7F:7M | 27.85 (1.79) |
| Sham | 14 | 73.78 (7.06) | 17.42 (2.74) | 8F:6M | 27.00 (2.07) |
| Total | 28 | 73.67 (7.32) | 17.21 (2.42) | 15F:13M | 27.42 (1.95) |
