Table 4. .
Configurations of DC stimulation
| Figure | Protocol | fG1 | ΔV1[mV] | fG2 | ΔV2[mV] | fG3 | ΔV3[mV] | Growth [s] | Repetition | tstim or t1[s] | trelax or t2[s] |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2B | uni-group | 10% | 0.1 | 90% | 0 | − | − | 750 | no | 150 | 300 |
| 2D | uni-group | 10% | 0.1 | 90% | 0 | − | − | 750 | no | 150 | 300 |
| 3A | tri-group | 30% | 0.1 | 30% | − 0.1 | 40% | 0 | 750 | no | 150 | 300 |
| 3B | bi-group | 30% | 0.1 | 70% | − 0.1 | − | − | 750 | no | 150 | 300 |
| 4A | bi-group | 10%, 30%, 50%, 70% | −1.2, 1.2 1 | 1 − fG1 | − ΔV1 | − | − | 750 | no | 150 | 5,850 |
| 4B | uni-group | 10%, 30%, 50%, 70% | −1.2, 1.2 | 1 − fG1 | 0 | − | − | 750 | no | 150 | 5,850 |
| 4C | tri-group | 10%, 20%, 30%, 40% | −1.2, 1.2 | fG1 | − ΔV1 | 1 − fG1 − fG2 | 0 | 750 | no | 150 | 5,850 |
| 4I | all | 50% | −1.2, 1.2 | 50% | −1.2, 1.2 | − | − | 750 | no | 150 | 5,850 |
| 5D | repetitive | 10% | 0.1 | 90% | 0 | − | − | 750 | yes2 | multiple3 | |
| 5E | repetitive | 10% | multiple4 | 90% | 0 | − | − | 750 | 80 | 75 | 150 |
| 6-on-off | repetitive | 10% | 0.1 | 90% | 0 | − | − | 750 | 3 | 150 | 150 |
| 6-alternating1 | repetitive | 10% | ± 0.05 | 90% | 0 | − | − | 750 | 3 | 150 | 150 |
| 6-alternating2 | repetitive | 10% | ±0.1 | 90% | 0 | − | − | 750 | 3 | 150 | 150 |
1
The stimulation intensities are − 1.2, − 0.8, − 0.4, 0.4, 0.8, 1.2 mV
2
The repetition round (n) were matched with n×t1 = 6,000s
3
The combinations used are (75,75), (75,150), (150,75), (150,150), (150,300), (300,150) s
4
The stimulation intensities are 0.02, 0.04, 0.06, 0.08, 0.1, 0.2, 0.3, 0.4, 0.5 mV