Table 2.
MEG task performance data
| Pure water | Capsaicinoid preconditioning | Continuous capsaicinoids | p value | |
|---|---|---|---|---|
| Head movement (mm), mean ± SD | ||||
| Volitional swallowing | 0.35 ± 0.23 | 0.46 ± 0.39 | 0.37 ± 0.21 | 1.000 |
| Challenged swallow task | 0.22 ± 0.12 | 0.23 ± 0.14 | 0.35 ± 0.34 | 0.905 |
| Swallow count, n ± SD | ||||
| Volitional swallowing | 72 ± 18 | 75 ± 30 | 71 ± 13 | 0.905 |
| Hits in challenged swallow, % ± SD | 43.2 ± 11.5 | 67.1 ± 15.9 | 46.2 ± 9.1 | < 0.0005* |
| EMG† power (μV), mean ± SD | ||||
| Volitional swallowing | 161.9 ± 178.9 | 55.0 ± 15.3 | 107.1 ± 49.6 | 0.002* |
| Challenged swallow task | 95.8 ± 41.2 | 63.2 ± 12.3 | 122.4 ± 74.9 | 0.014* |
| EMG† amplitude (μV), mean ± SD | ||||
| Volitional swallowing | 659.4 ± 440.5 | 463.4 ± 140.1 | 597.8 ± 197.4 | 0.273 |
| Challenged swallow task | 519.2 ± 145.5 | 548.2 ± 150.1 | 604.1 ± 322.6 | 0.584 |
*Indicates statistical significance in analysis of variance (ANOVA) or Friedman’s test
†Electromyographic