Table 2.

Range* and rate* of head motion for tube-bound rats. *Values represent the median of the given statistic across all studies.

	range (mm, deg)		rate (mm s−1, deg s−1)
d.f.	max. abs.	75% range	max. abs.	75% rate
x-rot	88	21	220	16
y-rot	86	22	235	10
z-rot	89	15	195	8
x	40	9	155	2
y	41	11	175	3
z	32	8	135	3