Table 3.

Relationship between head motion and volume of pedaling-related brain activation.

	Direction of Motion
Type of motion		x	y	z
Oscillation	r	0.30	0.22	0.10
	p	0.42	0.54	0.80
Drift	r	0.30	0.41	0.14
	p	0.42	0.26	0.70
Displacement	r	0.03	0.02	0.10
	p	0.93	0.95	0.41

x, medial/lateral; y, anterior/posterior; z, inferior/superior.