Table 2.
Outcome metric statistics from Wilcoxon signed-ranked test between pre-tACS and post-tACS time points
| Metric | Pre-tACS Avg | Post-tACS Avg | W | p Value | rrb |
|---|---|---|---|---|---|
|
| |||||
| CVLT: SDFR (words) | 6.54 (4.29) | 8.08 (4.34) | 10 | 0.024 | 0.74 |
| CVLT: LDFR (words) | 6.69 (4.85) | 7.85 (4.95) | 15.5 | 0.066 | 0.60 |
| PAT: Recall (%) | 0.54 (0.16) | 0.69 (0.26) | 10 | 0.083 | 0.64 |
| PAT: Recognition (%) | 0.67 (o.ll) | 0.76 (0.18) | 7 | 0.148 | 0.61 |
| Fluency: Semantic (words) | 16.85 (8.37) | 16.31 (5.31) | 48.5 | 0.861 | 0.07 |
| Fluency: Verbal (avg words) | 14.67 (3.78) | 16.05 (3.71) | 13.5 | 0.049 | 0.65 |
| Fluency: F (words) | 15.23 (4.29) | 17.00 (4.16) | 15.5 | 0.129 | 0.53 |
| Fluency: A (words) | 12.31 (3.64) | 14.62 (3.91) | 4.5 | 0.021 | 0.84 |
| Fluency: S (words) | 15.69 (4.15) | 16.23 (3.56) | 23.5 | 0.421 | 0.29 |
| MRS: E/I (Hipp) | 2.17 (1.68) | 1.62 (3.55) | 24 | 0.91 | 0.07 |
| MRS: E/I (Pars) | 2.56 (2.34) | 1.89 (0.78) | 22 | 0.641 | 0.22 |
| RSFC: IPL-Hipp (Avg) | 0.06 (0.17) | 0.15 (0.13) | 13 | 0.042 | 0.67 |
| RSFC: Pars-Hipp (Avg) | 0.12 (0.15) | 0.11 (0.14) | 34 | 0.733 | 0.13 |
| RSFC: IPL-Pars (Avg) | 0.39 (0.30) | 0.39 (0.25) | 27 | 0.38 | 0.31 |
All parentheses represent standard deviation of the mean. The p-values in bold represent p < 0.05, and italicized values represent a trend of p < 0.10.
Key: CVLT, California Verbal Learning Test; SDFR, short-delay free recall; LDFR, long-delay free recall; PAT, Paired-Associates Task; MRS, magnetic resonance spectroscopy; E/I, excitatory/inhibitory balance; RSFC, resting-state functional connectivity; IPL, inferior parietal lobe; Pars, pars triangularis; Hipp, hippocampus; tACS, transcranial alternating current stimulation.