Table 1.

Tapping frequencies across conditions (C1–4). No significant difference between average tapping frequencies was found.

	Tapping frequency (Hz)
	C1	C2	C3	C4
Mean	1.812	1.946	1.691	1.725
SD	0.360	0.448	0.368	0.511
Variance	0.130	0.201	0.135	0.261
Minimum	1.400	1.430	1.105	0.673
Maximum	2.593	3.142	2.404	2.981