TABLE 1.

Estimated head orientation and position changes of subject #1 and the standard deviation of the field change inside the brain in the head frame.

	Rotation*/°			Translation/mm			SD/Hz
	x**	y	z	x	y	z	SF	TF
Right	−0.7	−1.3	−7.2	6.6	−1.4	−0.3	5.0	8.3
Left	1.7	−0.6	8.7	−5.0	0.5	−1.2	7.8	10.8
Up	−5.2	−0.8	2.1	−0.5	−2.6	−4.2	7.9	12.7
Down	4.9	−1.5	3.0	1.2	0.6	0.6	8.6	16.6

^*: The center of the rotation is on the center of the FOV.

^**: The positive directions of x, y and z axes are towards the left, posterior and head direction of the subject, respectively.