Table 2 Sensations felt by athletes during high-definition (HD), conventional, and active sham transcranial direct current stimulation (n = 12).
Sensation | High definition | Conventional | Sham | χ2 | P |
---|---|---|---|---|---|
Itching | 1.0 (0.0–2.0) | 1.0 (0.0–1.5) | 1.5 (0.0–2.0) | 0.261 | 0.878 |
Pain | 0.0 | 0.0 | 0.0 | N/A | N/A |
Burning | 0.0 (0.0–0.0) | 0.0 (0.0–0.75) | 0.0 (0.0–0.75) | 1.0 | 0.607 |
Warmth/Heat | 0.0 (0.0–1.0) | 0.0 (0.0–0.75) | 0.0 (0.0–1.0) | 1.08 | 0.584 |
Pinching | 1.0 (1.0–1.0) | 1.5 (1.0–2.0) | 1.0 (1.0–2.0) | 0.75 | 0.687 |
Metallic/Iron taste | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 0.0 (0.0–0.0) | 2.0 | 0.368 |
Fatigue | 0.0 | 0.0 | 0.0 | N/A | N/A |
Beginning | 1.0 (1.0–1.75) | 1.0 (1.0–1.0) | 1.0 (1.0–1.75) | 0.5 | 0.779 |
Duration | 2.0 (1.0–3.0) | 3.0 (2.0–3.0) | 2.0 (1.25–3.0) | 3.56 | 0.169 |
Affect performance | 0.0 | 0.0 | 0.0 | N/A | N/A |