FIG. 5. Experimentally determined ΔT2(A) and (B) ΔDav as a function of CBF from 26 animals. The magnetic resonance imaging data are divided into seven.

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FIG. 5. Experimentally determined ΔT2(A) and (B) ΔDav as a function of CBF from 26 animals. The magnetic resonance imaging data are divided into seven groups according to CBF as follows: 0% to 15% (n = 13), 16% to 30% (n = 7), 31% to 45% (n = 7), 46% to 60% (n = 8), 61% to 75% (n = 14), 76% to 90% (n = 36), 91% to 110% (n = 67) of control CBF. Dashed line indicates the simulated T2 change for 4.7 T calculated as in Fig. 4. using constant Hct, altered mc, and CBVmax = 200%. Experimental values indicated are means ± SD. Statistical significance is evaluated using analysis of variance with Tukey's HSD post hoc test between control and occlusion values (*P < 0.05, **P < 0.01). Published in: Olli H. J. Gröhn; Mikko I. Kettunen; Markku Penttonen; Joni M. E. Oja; Published in: Peter C. M. van Zijl; Published in: Risto A. Kauppinen; J Cereb Blood Flow Metab 20, 316-326. DOI: 10.1097/00004647-200002000-00013 Copyright © 2000 International Society for Cerebral Blood Flow and Metabolism