Table 3.
Transcranial current stimulation (tCS) parameters used in the studies included in the review.
| Articles | Electrode size (cm2) | Current density (mA/cm2) / intensity (mA) | Electrode site | Time (Minutes) | Sessions |
|---|---|---|---|---|---|
| Bogdanov et al., 1994 | 6.0 | I: 0.2–0.8 D: 0.04–0.16 |
A: frontal region C: sensorimotor cortex/mastoid process |
Up to 20 (1st 3 sessions) 45–50 (subsequent) |
7–15 sessions 3–4 sessions/week |
| Alon et al., 1998** | 11.34 | I: 0.5 peak D: 0.044 peak |
Right and left temporal area | 10 | Twice a day 7 days/week 8-weeks |
| Shelyakin et al., 2001 | 5.0 | I: 0.3–0.7 D: 0.06–0.14 |
A: projection of the posterior temporal area C: projection of the parietal area |
20–40 | Every day or every two day Up to 15 sessions |
| Ilyukhina et al., 2005 | Not reported | I: 0.03–0.08 D: Unknown |
A: left frontal and parietal cortex C: not reported |
15–20 | Up to 6 sessions 1–2 weeks interval between sessions |
| Mattai et al., 2011* | 25.0 | I: 2.0 D: 0.08 |
A: DLPFC or non-dominat forearm C: STG or non-dominat forearm |
20 | 1 session/day 5 days/week 2 weeks |
| San-Juan et al., 2011 | 0.15 | Case (A): I: 1.0 / D:6.6 Case (B): I: 2.0 / D: 13.2 |
Case A A: contralateral supraorbital area C: scalp (C3) Case B A: scalp (F2) C: scalp (F8) |
60 | 4 (0, 7, 30 and 60 days) |
| Schneider et al., 2011 | 25.0 | I: 2.0 D: 0.08 |
A: DLPFC (F3) C: Right supraorbital area |
30 | 1 session |
| Varga et al., 2011 | 25.0 | I: 1.0 D: 0.04 |
A: epileptogenic focus (Peak −ve) C: epileptogenic focus (Peak +ve) |
20 | 1 session |
| Yook, et al., 2011 | 25.0 | I: 2.0 D: 0.08 |
A: left supraorbital C: right temporo-parietal area |
20 | 1 session/day 5 days/week 2 weeks |
| Andrade et al., 2013* | 35.0 | I: 1.0 (1st min) 2.0 (30 min) D: 0.057 |
A: broca area C: right supraorbital |
1 30 |
1 session/day 5 consecutive days |
| Auvichayapat et al., 2013* | 35.0 | I: 1.0 D: 0.029 |
A: contralateral shoulder area C: epileptogenic focus |
20 | 1 session |
| Young et al., 2013* | 35.0 | I: 1.0 D: 0.029 |
A: contralateral supraorbital C: motor cortex |
9 + 20 (pause) + 9 |
1 session |
| Grecco et al., 2014 | 25.0 | I: 1.0 D: 0.04 |
A: motor cortex C: contralateral supraorbital |
20 | 1 session/day 5 days/week 2 weeks |
| Duarte et al., 2014* | 25.0 | I: 1.0 D: 0.04 |
A: motor cortex C: contralateral supraorbital |
20 | 1 session/day 5 days/week 2 weeks |
| Prehn-Kristensen et al., 2014** | 0.503 | I: 0.25 peak D: 0.497 peak |
A: bilateral frontolateral (F3, F4) C: bilateral mastoid (M1, M2) |
5 × 5 1 min rest between blocks |
1 session |
| Young et al., 2014* | 35.0 | I:1.0 D: 0.029 |
A: contralateral supraorbital C: motor cortex |
9 + 20 (pause) + 9 |
1 session |
A: anode; C: cathode; I: intensity; D: density; STG: superior temporal gyrus; DLPFC: dorsolateral prefrontal cortex
*
Studies that reported mild adverse effects.
**
Studies that used transcranial alternating current stimulation.