Table 1.
Physiological parameters (mean ±s.d.)
| RMTFDI | AMTFDI | AMTTA | Stimulus intensify for SMA priming (relative to RMTFDI) | MEP size (mV), right FDI | |||
|---|---|---|---|---|---|---|---|
| Experiment 1a: | Baseline (B1) | B1 | |||||
| Without priming | |||||||
| QPS-1.5 ms | 57.1 ± 9.8% | 40.8 ± 6.9% | — | — | — | 0.46 ± 0.11 | |
| QPS-5 ms | 58.5 ± 9.5% | 43.6 ± 5.1% | — | — | — | 0.51 ± 0.13 | |
| QPS-10 ms | 61.8 ± 10.9% | 41.0 ± 6.6% | — | — | — | 0.48 ± 0.16 | |
| QPS-30 ms | 61.2 ± 11.6% | 40.6 ± 5.8% | — | — | — | 0.49 ± 0.09 | |
| QPS-50 ms | 60.5 ± 14.1% | 42.6 ± 5.4% | — | — | — | 0.51 ± 0.18 | |
| QPS-100 ms | 60.1 ± 12.1% | 40.8 ± 5.8% | — | — | — | 0.55 ± 0.06 | |
| Experiment 1b: With | Baseline (B1) | Mean ±s.d. (range) | B0 | B1 | |||
| QPS-5 ms priming | |||||||
| over SMA | |||||||
| QPS-1.5 ms | 61.8 ± 9.2% | 40.3 ± 1.9% | 60.2 ± 8.0% | 89 ± 8% (76–98%) | 0.51 ± 0.09 | 0.49 ± 0.14 | |
| QPS-5 ms | 59.8 ± 6.9% | 42.8 ± 5.0% | 60.8 ± 8.5% | 92 ± 5% (85–97%) | 0.43 ± 0.11 | 0.47 ± 0.28 | |
| QPS-10 ms | 60.0 ± 9.7% | 42.0 ± 4.9% | 61.1 ± 10.0% | 93 ± 4% (87–99%) | 0.48 ± 0.18 | 0.54 ± 0.14 | |
| QPS-30 ms | 58.3 ± 8.5% | 41.7 ± 5.4% | 60.8 ± 10.0% | 95 ± 6% (86–100%) | 0.51 ± 0.14 | 0.55 ± 0.18 | |
| QPS-50 ms | 61.8 ± 7.6% | 41.0 ± 5.1% | 63.6 ± 8.1% | 93 ± 5% (85–98%) | 0.53 ± 0.21 | 0.53 ± 0.20 | |
| QPS-100 ms | 60.8 ± 8.7% | 40.3 ± 5.0% | 61.5 ± 7.6% | 92 ± 4% (86–96%) | 0.53 ± 0.18 | 0.59 ± 0.21 | |
| Experiment 1c: With | Baseline (B1) | B0 | B1 | ||||
| QPS-50 ms priming | |||||||
| over SMA | |||||||
| QPS-5 ms | 61.6 ± 9.4% | 41.6 ± 5.3% | 62.6 ± 9.3% | 94 ± 3% (91–98%) | 0.50 ± 0.09 | 0.52 ± 0.08 | |
| QPS-10 ms | 60.6 ± 9.1% | 43.8 ± 5.9% | 63.5 ± 9.6% | 95 ± 2% (92–98%) | 0.57 ± 0.11 | 0.53 ± 0.21 | |
| QPS-30 ms | 58.1 ± 9.9% | 42.1 ± 4.8% | 62.2 ± 11.4% | 95 ± 5% (88–100%) | 0.53 ± 0.09 | 0.48 ± 0.04 | |
| QPS-100 ms | 60.5 ± 10.1% | 42.0 ± 6.4% | 65.2 ± 11.7% | 97 ± 3% (93–100%) | 0.52 ± 0.12 | 0.49 ± 0.16 | |
| Experiment 2 | Baseline (B0) | B0 | B1 | ||||
| Sham with priming | 61.8 ± 13.7% | 40.8 ± 7.8% | 61.5 ± 7.2% | 93 ± 4% (88–100%) | 0.46 ± 0.06 | 0.51 ± 0.14 | |
| QPS-10 ms with sham priming | 58.3 ± 7.4% | 40.5 ± 7.4% | — | — | 0.47 ± 0.12 | 0.48 ± 0.18 | |
| Experiment 3 | Baseline | Baseline | Post 1 | Post 2 | |||
| QPS-5 ms priming | 60.6 ± 11.0% | 42.0 ± 8.2% | 66.0 ± 7.7% | 95 ± 4% (88–100%) | 0.52 ± 0.24 | 0.54 ± 0.27 | 0.49 ± 0.26 |
| QPS-50 ms priming | 59.7 ± 10.1% | 41.5 ± 9.8% | 66.4 ± 8.3% | 95 ± 5% (88–100%) | 0.48 ± 0.14 | 0.53 ± 0.19 | 0.55 ± 0.11 |
| Experiment 4 | ISI 3 ms | ISI 6 ms | |||||
| 57.9 ± 9.6% | 43.3 ± 7.8% | 62.6 ± 9.4% | — | 0.59 ± 0.23 | 0.58 ± 0.27 | ||