Table 1 Baseline characteristics for participants. tRNS, transcranial random noise stimulation; SD, standard deviation; EHI, Edinburgh Handedness Inventory; BDI, Beck Depression Inventory; STAI-Y, state-trait anxiety inventory.
Sham (n = 20) | tRNS (n = 20) | Statistics | p-value | |
|---|---|---|---|---|
Mean (SD) | Mean (SD) | |||
Age | 23.05 (0.94) | 23.80 (1.58) | t = -1.83 | 0.078 |
Gender: n (%) | ||||
Male | 9 (45.00) | 11 (55.00) | χ² = 0.10 | 0.752 |
Female | 11 (55.00) | 9 (45.00) | ||
EHI | 92.61 (13.35) | 88.83 (16.82) | t = 0.78 | 0.436 |
Education | 16.90 (0.72) | 16.75 (1.02) | t = 0.53 | 0.594 |
BDI | 4.4 (3.15) | 4.0 (3.29) | t = 0.39 | 0.697 |
STAI-Y | ||||
STAIY-1 | 27.45 (5.24) | 27.50 (5.42) | t = -0.03 | 0.977 |
STAIY-2 | 30.00 (6.18) | 27.95 (5.38) | t = 1.12 | 0.271 |
Working memory ability | ||||
Digit-Forward | 6.85 (0.37) | 6.60 (0.50) | t = 1.80 | 0.081 |
Digit-Backward | 5.15 (1.27) | 5.60 (1.14) | t = -1.12 | 0.246 |
Tapping-Forward | 3.95 (0.89) | 3.50 (1.10) | t = 1.42 | 0.163 |
Tapping-Backward | 4.40 (0.68) | 4.10 (1.25) | t = 0.94 | 0.354 |
