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

Data described as median (interquartile range); N/A = not applicable.