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. Author manuscript; available in PMC: 2009 Oct 5.

Published in final edited form as: Neuroimage. 2008 Jan 29;40(2):442–450. doi: 10.1016/j.neuroimage.2007.12.011

Table 1.

Mean signal level during baseline and activation periods and relative signal change to baseline (mean ± s.d., n = 5)

	CBF (a.u.)		Po₂ (mmHg)		OIS (a.u.)
	control	hypotension	control	hypotension	control	hypotension
baseline	1.2 ± 0.4	1.7 ± 0.5	33 ± 18	43 ± 13	7.48 ± 1.17	7.37 ± 1.17
activation	1.8 ± 0.4^*	1.7 ± 0.5	42 ± 20^*	38 ± 13^*	7.51 ± 1.15^*	7.35 ± 1.19

signal change (%)	48 ± 23	2 ± 2	32 ± 12	−12 ± 9	0.42 ± 0.29	−0.28 ± 0.29

^*

Significant differences (paired t-test) between baseline and activation data (P < 0.01).