Table 3 tDCS stimulation parameters.
Study | Sessions | Session duration | Anode location | Cathode location | Current | Trial duration | Sham procedure |
|---|---|---|---|---|---|---|---|
Jafari et al. [39] | 10 | 20 min | L-DLPFC | M-PFC | 1 MA | 1 week | the same current ramped up for 30 s and turned off |
Jafari et al. [39] | 10 | 20 min | L-DLPFC | M-PFC | 2 MA | 1 week | the same current ramped up for 30 s and turned off |
de Lima et al. [46] | 5 | 20 min | L-DLPFC | R-SOA | 2 MA | 5 t | the same current ramped up for 30 s and turned off |
Aksu et al. [47] | 10 | 20 min | L-DLPFC | R-DLPFC | 2 MA | 2 weeks | the same current ramped up for 30 s and ramped down |
Ahmadizadeh et al. [52] | 10 | 20 min | L-DLPFC | R-DLPFC | 2 MA | 2 weeks | the same current ramped up for 30 s and ramped down |
Silva et al. [62] | 20 | 30 min | L-deltoid | R-SMA | 2 MA | 4 weeks | the same current turned off after 30 s |
Gowda et al. [45] | 10 | 20 min | L-SMA | R-SOA | 2 MA | 5 t | the same current turned off after 40 s |
Bation et al. [63] | 10 | 20 min | R-cerebellum | L-OFC | 2 MA | 5 t | the same current turned off after 40 s |
Liu et al. [42] | 20 | 30 min | L-DLPFC | R-SOA | 2 MA | 4 weeks | the same current turned off after 30 s |
zhou et al. [43] | 16 | 30 min | L-DLPFC | R-SOA | 2 MA | 8 weeks | the same current turned off after 30 s |
Smits et al. [41] | 5 | 20 min | R-IFG | L-orbital | 1.25 MA | 5 t | the same current with a 16-s fade-in fade-out |
Yoosefee et al. (2020) [64] | 24 | 20 min | L-DLPFC | R-OFC | 2 MA | 8 weeks | the same current ramped up for 15 s and ramped down 15 s |
Germaneau et al. (2024) [44] | 10 | 30 min | R-OFC | L-SMA | 2 MA | 2 weeks | the same current turned off after 30 s |
Eyraud et al. (2024) [65] | 10 | 20 min | L-DLPFC | R-SOA | 2 MA | 5 t | the same current ramped up for 15 s and ramped down 15 s |
Jaber et al. (2024) [40] | 10 | 20 min | L-DLPFC | R-SMA | 1 MA | 5 t | the same current ramped up and down for 30 s |
Jaber et al. (2024) [40] | 10 | 20 min | L-DLPFC | R-SMA | 2 MA | 5 t | the same current ramped up and down for 30 s |
