Table 4.
Summary of key differences
| Study characteristic | Current study | Wang et al.1 |
|---|---|---|
| Participants | ||
| Sample size for analysis | 48 | 18 |
| Demographic characteristics | 31 female participants, 17 male participants; Age 22.65 ± 4.34 years old, range 18–33 years old; Residence in UK | 14 female participants; Age, 22.9 ± 1.94 years old; Residence in China |
| Baseline performance (sham) | Supplementary Table 5 | Fig. 2 (p. 532) |
| VWM Task | ||
| Stimulus | Triangles | Bars |
| Orientation space | Randomly from 0° to 359°; at least 1° difference between one another | Randomly from 10° to 170°, at least 10° difference between one another |
| Number of trials | 120 trials per set size; intermixed | 60 trials per set size; blocked |
| Procedure | Short tDCS questionnaires between stimulation and VWM task (<5 mins) | |
| tDCS device | ||
| Apparatus | TCT research tDCS 1ch | Eldith NeuroConn |
| Ramp up/down | 30 s/2 s | 20 s/20 s |