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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: NMR Biomed. 2014 Jun 3;27(8):996–1004. doi: 10.1002/nbm.3143

Figure 4.

Figure 4

(a) Mean C57/BL6 mouse brain perfusion from the ASL-FISP method at 7 T (gray) and 9.4 T (white), respectively. Results are plotted as a function of the number of ASL-FISP averages. No significant differences in mean perfusion were observed for different number of averages (p > 0.6) or field strength (p > 0.2). (b) Mean brain perfusion from a single C57/BL6 mouse at 7 T as a function of the slice thickness ratio (inversion slab thickness / imaging slice thickness) and the number of ASL-FISP averages. Note the large decrease in mean brain perfusion as the slice thickness ratio is increased from 1 to 3. The mean perfusion also appears to be more sensitive to the inversion slab thickness than the number of ASL-FISP averages.