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Reports of means, SDs, and numbers of observations for GABA in the IFG and the SM areas on different time points within different treatment groups.
| Time point | Treatment group | Mean (SD) of IFG GABA | Mean (SD) of SM GABA | Number of observations |
|---|---|---|---|---|
| Before | tDCS | 2.03 (0.57) | 2.09 (0.29) | 11 |
| After | tDCS | 1.52 (0.52) | 2.24 (0.29) | 11 |
| 2month | tDCS | 1.61 (0.46) | 2.19 (0.45) | 7 |
| Before | Sham | 1.40 (0.37) | 1.93 (0.47) | 11 |
| After | Sham | 1.33 (0.59) | 2.23 (0.38) | 11 |
| 2month | Sham | 1.48 (0.48) | 2.05 (0.50) | 10 |
